381638985

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:399

約数の個数: 128

約数和(自身を含む): 805109760

約数和(自身を除く): 423470775

約数列:

[1, 3, 5, 7, 13, 15, 21, 29, 31, 35, 39, 65, 87, 91, 93, 105, 145, 155, 195, 203, 217, 273, 311, 377, 403, 435, 455, 465, 609, 651, 899, 933, 1015, 1085, 1131, 1209, 1365, 1555, 1885, 2015, 2177, 2639, 2697, 2821, 3045, 3255, 4043, 4495, 4665, 5655, 6045, 6293, 6531, 7917, 8463, 9019, 9641, 10885, 11687, 12129, 13195, 13485, 14105, 18879, 20215, 27057, 28301, 28923, 31465, 32655, 35061, 39585, 42315, 45095, 48205, 58435, 60645, 63133, 67487, 81809, 84903, 94395, 117247, 125333, 135285, 141505, 144615, 175305, 189399, 202461, 245427, 279589, 315665, 337435, 351741, 375999, 409045, 424515, 586235, 626665, 820729, 838767, 877331, 946995, 1012305, 1227135, 1397945, 1758705, 1879995, 1957123, 2462187, 2631993, 3634657, 4103645, 4193835, 4386655, 5871369, 9785615, 10903971, 12310935, 13159965, 18173285, 25442599, 29356845, 54519855, 76327797, 127212995, 381638985]

約数ペア:

[(1, 381638985), (3, 127212995), (5, 76327797), (7, 54519855), (13, 29356845), (15, 25442599), (21, 18173285), (29, 13159965), (31, 12310935), (35, 10903971), (39, 9785615), (65, 5871369), (87, 4386655), (91, 4193835), (93, 4103645), (105, 3634657), (145, 2631993), (155, 2462187), (195, 1957123), (203, 1879995), (217, 1758705), (273, 1397945), (311, 1227135), (377, 1012305), (403, 946995), (435, 877331), (455, 838767), (465, 820729), (609, 626665), (651, 586235), (899, 424515), (933, 409045), (1015, 375999), (1085, 351741), (1131, 337435), (1209, 315665), (1365, 279589), (1555, 245427), (1885, 202461), (2015, 189399), (2177, 175305), (2639, 144615), (2697, 141505), (2821, 135285), (3045, 125333), (3255, 117247), (4043, 94395), (4495, 84903), (4665, 81809), (5655, 67487), (6045, 63133), (6293, 60645), (6531, 58435), (7917, 48205), (8463, 45095), (9019, 42315), (9641, 39585), (10885, 35061), (11687, 32655), (12129, 31465), (13195, 28923), (13485, 28301), (14105, 27057), (18879, 20215)]