642116775

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{503621}}^1$

素因数の和:503651

約数の個数: 24

約数和(自身を含む): 1124084304

約数和(自身を除く): 481967529

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 503621, 1510863, 2518105, 7554315, 8561557, 12590525, 25684671, 37771575, 42807785, 128423355, 214038925, 642116775]

約数ペア:

[(1, 642116775), (3, 214038925), (5, 128423355), (15, 42807785), (17, 37771575), (25, 25684671), (51, 12590525), (75, 8561557), (85, 7554315), (255, 2518105), (425, 1510863), (1275, 503621)]