40620165

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{887}}^1$

素因数の和:1009

約数の個数: 32

約数和(自身を含む): 67516416

約数和(自身を除く): 26896251

約数列:

[1, 3, 5, 15, 43, 71, 129, 213, 215, 355, 645, 887, 1065, 2661, 3053, 4435, 9159, 13305, 15265, 38141, 45795, 62977, 114423, 188931, 190705, 314885, 572115, 944655, 2708011, 8124033, 13540055, 40620165]

約数ペア:

[(1, 40620165), (3, 13540055), (5, 8124033), (15, 2708011), (43, 944655), (71, 572115), (129, 314885), (213, 190705), (215, 188931), (355, 114423), (645, 62977), (887, 45795), (1065, 38141), (2661, 15265), (3053, 13305), (4435, 9159)]