168755445

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{409}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 300484080

約数和(自身を除く): 131728635

約数列:

[1, 3, 5, 9, 15, 45, 53, 159, 173, 265, 409, 477, 519, 795, 865, 1227, 1557, 2045, 2385, 2595, 3681, 6135, 7785, 9169, 18405, 21677, 27507, 45845, 65031, 70757, 82521, 108385, 137535, 195093, 212271, 325155, 353785, 412605, 636813, 975465, 1061355, 3184065, 3750121, 11250363, 18750605, 33751089, 56251815, 168755445]

約数ペア:

[(1, 168755445), (3, 56251815), (5, 33751089), (9, 18750605), (15, 11250363), (45, 3750121), (53, 3184065), (159, 1061355), (173, 975465), (265, 636813), (409, 412605), (477, 353785), (519, 325155), (795, 212271), (865, 195093), (1227, 137535), (1557, 108385), (2045, 82521), (2385, 70757), (2595, 65031), (3681, 45845), (6135, 27507), (7785, 21677), (9169, 18405)]