1521784425

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:296

約数の個数: 144

約数和(自身を含む): 3078820800

約数和(自身を除く): 1557036375

約数列:

[1, 3, 5, 7, 15, 21, 25, 29, 35, 49, 75, 87, 105, 109, 131, 145, 147, 175, 203, 245, 327, 393, 435, 525, 545, 609, 655, 725, 735, 763, 917, 1015, 1225, 1421, 1635, 1965, 2175, 2289, 2725, 2751, 3045, 3161, 3275, 3675, 3799, 3815, 4263, 4585, 5075, 5341, 6419, 7105, 8175, 9483, 9825, 11397, 11445, 13755, 14279, 15225, 15805, 16023, 18995, 19075, 19257, 21315, 22127, 22925, 26593, 26705, 32095, 35525, 42837, 47415, 56985, 57225, 66381, 68775, 71395, 79025, 79779, 80115, 94975, 96285, 99953, 106575, 110635, 132965, 133525, 154889, 160475, 186151, 214185, 237075, 284925, 299859, 331905, 356975, 398895, 400575, 414091, 464667, 481425, 499765, 553175, 558453, 664825, 699671, 774445, 930755, 1070925, 1242273, 1499295, 1659525, 1994475, 2070455, 2099013, 2323335, 2498825, 2792265, 2898637, 3498355, 3872225, 4653775, 6211365, 7496475, 8695911, 10352275, 10495065, 11616675, 13961325, 14493185, 17491775, 20290459, 31056825, 43479555, 52475325, 60871377, 72465925, 101452295, 217397775, 304356885, 507261475, 1521784425]

約数ペア:

[(1, 1521784425), (3, 507261475), (5, 304356885), (7, 217397775), (15, 101452295), (21, 72465925), (25, 60871377), (29, 52475325), (35, 43479555), (49, 31056825), (75, 20290459), (87, 17491775), (105, 14493185), (109, 13961325), (131, 11616675), (145, 10495065), (147, 10352275), (175, 8695911), (203, 7496475), (245, 6211365), (327, 4653775), (393, 3872225), (435, 3498355), (525, 2898637), (545, 2792265), (609, 2498825), (655, 2323335), (725, 2099013), (735, 2070455), (763, 1994475), (917, 1659525), (1015, 1499295), (1225, 1242273), (1421, 1070925), (1635, 930755), (1965, 774445), (2175, 699671), (2289, 664825), (2725, 558453), (2751, 553175), (3045, 499765), (3161, 481425), (3275, 464667), (3675, 414091), (3799, 400575), (3815, 398895), (4263, 356975), (4585, 331905), (5075, 299859), (5341, 284925), (6419, 237075), (7105, 214185), (8175, 186151), (9483, 160475), (9825, 154889), (11397, 133525), (11445, 132965), (13755, 110635), (14279, 106575), (15225, 99953), (15805, 96285), (16023, 94975), (18995, 80115), (19075, 79779), (19257, 79025), (21315, 71395), (22127, 68775), (22925, 66381), (26593, 57225), (26705, 56985), (32095, 47415), (35525, 42837)]