27902105

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{137}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 43956864

約数和(自身を除く): 16054759

約数列:

[1, 5, 7, 11, 23, 35, 55, 77, 115, 137, 161, 253, 385, 529, 685, 805, 959, 1265, 1507, 1771, 2645, 3151, 3703, 4795, 5819, 7535, 8855, 10549, 15755, 18515, 22057, 29095, 34661, 40733, 52745, 72473, 110285, 173305, 203665, 242627, 362365, 507311, 797203, 1213135, 2536555, 3986015, 5580421, 27902105]

約数ペア:

[(1, 27902105), (5, 5580421), (7, 3986015), (11, 2536555), (23, 1213135), (35, 797203), (55, 507311), (77, 362365), (115, 242627), (137, 203665), (161, 173305), (253, 110285), (385, 72473), (529, 52745), (685, 40733), (805, 34661), (959, 29095), (1265, 22057), (1507, 18515), (1771, 15755), (2645, 10549), (3151, 8855), (3703, 7535), (4795, 5819)]