153945275

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{50891}}^1$

素因数の和:50923

約数の個数: 18

約数和(自身を含む): 209827716

約数和(自身を除く): 55882441

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 3025, 50891, 254455, 559801, 1272275, 2799005, 6157811, 13995025, 30789055, 153945275]

約数ペア:

[(1, 153945275), (5, 30789055), (11, 13995025), (25, 6157811), (55, 2799005), (121, 1272275), (275, 559801), (605, 254455), (3025, 50891)]