1405415

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{101}}^1$

素因数の和:151

約数の個数: 24

約数和(自身を含む): 1953504

約数和(自身を除く): 548089

約数列:

[1, 5, 11, 23, 55, 101, 115, 121, 253, 505, 605, 1111, 1265, 2323, 2783, 5555, 11615, 12221, 13915, 25553, 61105, 127765, 281083, 1405415]

約数ペア:

[(1, 1405415), (5, 281083), (11, 127765), (23, 61105), (55, 25553), (101, 13915), (115, 12221), (121, 11615), (253, 5555), (505, 2783), (605, 2323), (1111, 1265)]