81939385

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{167}}^1\times {\mathrm{811}}^1$

素因数の和:1005

約数の個数: 24

約数和(自身を含む): 108859968

約数和(自身を除く): 26920583

約数列:

[1, 5, 11, 55, 121, 167, 605, 811, 835, 1837, 4055, 8921, 9185, 20207, 44605, 98131, 101035, 135437, 490655, 677185, 1489807, 7449035, 16387877, 81939385]

約数ペア:

[(1, 81939385), (5, 16387877), (11, 7449035), (55, 1489807), (121, 677185), (167, 490655), (605, 135437), (811, 101035), (835, 98131), (1837, 44605), (4055, 20207), (8921, 9185)]