189471975

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:190

約数の個数: 144

約数和(自身を含む): 410509440

約数和(自身を除く): 221037465

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 33, 35, 43, 49, 55, 75, 77, 105, 109, 129, 147, 165, 175, 215, 231, 245, 275, 301, 327, 385, 473, 525, 539, 545, 645, 735, 763, 825, 903, 1075, 1155, 1199, 1225, 1419, 1505, 1617, 1635, 1925, 2107, 2289, 2365, 2695, 2725, 3225, 3311, 3597, 3675, 3815, 4515, 4687, 5341, 5775, 5995, 6321, 7095, 7525, 8085, 8175, 8393, 9933, 10535, 11445, 11825, 13475, 14061, 16023, 16555, 17985, 19075, 22575, 23177, 23435, 25179, 26705, 29975, 31605, 32809, 35475, 40425, 41965, 49665, 51557, 52675, 57225, 58751, 69531, 70305, 80115, 82775, 89925, 98427, 115885, 117175, 125895, 133525, 154671, 158025, 164045, 176253, 209825, 229663, 248325, 257785, 293755, 347655, 351525, 360899, 400575, 492135, 579425, 629475, 688989, 773355, 820225, 881265, 1082697, 1148315, 1288925, 1468775, 1738275, 1804495, 2460675, 2526293, 3444945, 3866775, 4406325, 5413485, 5741575, 7578879, 9022475, 12631465, 17224725, 27067425, 37894395, 63157325, 189471975]

約数ペア:

[(1, 189471975), (3, 63157325), (5, 37894395), (7, 27067425), (11, 17224725), (15, 12631465), (21, 9022475), (25, 7578879), (33, 5741575), (35, 5413485), (43, 4406325), (49, 3866775), (55, 3444945), (75, 2526293), (77, 2460675), (105, 1804495), (109, 1738275), (129, 1468775), (147, 1288925), (165, 1148315), (175, 1082697), (215, 881265), (231, 820225), (245, 773355), (275, 688989), (301, 629475), (327, 579425), (385, 492135), (473, 400575), (525, 360899), (539, 351525), (545, 347655), (645, 293755), (735, 257785), (763, 248325), (825, 229663), (903, 209825), (1075, 176253), (1155, 164045), (1199, 158025), (1225, 154671), (1419, 133525), (1505, 125895), (1617, 117175), (1635, 115885), (1925, 98427), (2107, 89925), (2289, 82775), (2365, 80115), (2695, 70305), (2725, 69531), (3225, 58751), (3311, 57225), (3597, 52675), (3675, 51557), (3815, 49665), (4515, 41965), (4687, 40425), (5341, 35475), (5775, 32809), (5995, 31605), (6321, 29975), (7095, 26705), (7525, 25179), (8085, 23435), (8175, 23177), (8393, 22575), (9933, 19075), (10535, 17985), (11445, 16555), (11825, 16023), (13475, 14061)]