155514555

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{257}}^1$

素因数の和:405

約数の個数: 96

約数和(自身を含む): 330355584

約数和(自身を除く): 174841029

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 51, 63, 85, 105, 113, 119, 153, 255, 257, 315, 339, 357, 565, 595, 765, 771, 791, 1017, 1071, 1285, 1695, 1785, 1799, 1921, 2313, 2373, 3855, 3955, 4369, 5085, 5355, 5397, 5763, 7119, 8995, 9605, 11565, 11865, 13107, 13447, 16191, 17289, 21845, 26985, 28815, 29041, 30583, 35595, 39321, 40341, 65535, 67235, 80955, 86445, 87123, 91749, 121023, 145205, 152915, 196605, 201705, 203287, 261369, 275247, 435615, 458745, 493697, 605115, 609861, 1016435, 1306845, 1376235, 1481091, 1829583, 2468485, 3049305, 3455879, 4443273, 7405455, 9147915, 10367637, 17279395, 22216365, 31102911, 51838185, 155514555]

約数ペア:

[(1, 155514555), (3, 51838185), (5, 31102911), (7, 22216365), (9, 17279395), (15, 10367637), (17, 9147915), (21, 7405455), (35, 4443273), (45, 3455879), (51, 3049305), (63, 2468485), (85, 1829583), (105, 1481091), (113, 1376235), (119, 1306845), (153, 1016435), (255, 609861), (257, 605115), (315, 493697), (339, 458745), (357, 435615), (565, 275247), (595, 261369), (765, 203287), (771, 201705), (791, 196605), (1017, 152915), (1071, 145205), (1285, 121023), (1695, 91749), (1785, 87123), (1799, 86445), (1921, 80955), (2313, 67235), (2373, 65535), (3855, 40341), (3955, 39321), (4369, 35595), (5085, 30583), (5355, 29041), (5397, 28815), (5763, 26985), (7119, 21845), (8995, 17289), (9605, 16191), (11565, 13447), (11865, 13107)]