18161265

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{761}}^1$

素因数の和:849

約数の個数: 32

約数和(自身を含む): 30577536

約数和(自身を除く): 12416271

約数列:

[1, 3, 5, 15, 37, 43, 111, 129, 185, 215, 555, 645, 761, 1591, 2283, 3805, 4773, 7955, 11415, 23865, 28157, 32723, 84471, 98169, 140785, 163615, 422355, 490845, 1210751, 3632253, 6053755, 18161265]

約数ペア:

[(1, 18161265), (3, 6053755), (5, 3632253), (15, 1210751), (37, 490845), (43, 422355), (111, 163615), (129, 140785), (185, 98169), (215, 84471), (555, 32723), (645, 28157), (761, 23865), (1591, 11415), (2283, 7955), (3805, 4773)]