30858025

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{101}}^2$

素因数の和:234

約数の個数: 27

約数和(自身を含む): 42479269

約数和(自身を除く): 11621244

約数列:

[1, 5, 11, 25, 55, 101, 121, 275, 505, 605, 1111, 2525, 3025, 5555, 10201, 12221, 27775, 51005, 61105, 112211, 255025, 305525, 561055, 1234321, 2805275, 6171605, 30858025]

約数ペア:

[(1, 30858025), (5, 6171605), (11, 2805275), (25, 1234321), (55, 561055), (101, 305525), (121, 255025), (275, 112211), (505, 61105), (605, 51005), (1111, 27775), (2525, 12221), (3025, 10201)]