405487145

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{661}}^1\times {\mathrm{1031}}^1$

素因数の和:1721

約数の個数: 32

約数和(自身を含む): 590270976

約数和(自身を除く): 184783831

約数列:

[1, 5, 7, 17, 35, 85, 119, 595, 661, 1031, 3305, 4627, 5155, 7217, 11237, 17527, 23135, 36085, 56185, 78659, 87635, 122689, 393295, 613445, 681491, 3407455, 4770437, 11585347, 23852185, 57926735, 81097429, 405487145]

約数ペア:

[(1, 405487145), (5, 81097429), (7, 57926735), (17, 23852185), (35, 11585347), (85, 4770437), (119, 3407455), (595, 681491), (661, 613445), (1031, 393295), (3305, 122689), (4627, 87635), (5155, 78659), (7217, 56185), (11237, 36085), (17527, 23135)]