31158351

素因数分解:

$3^4\times 7^1\times {\mathrm{179}}^1\times {\mathrm{307}}^1$

素因数の和:505

約数の個数: 40

約数和(自身を含む): 53665920

約数和(自身を除く): 22507569

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 179, 189, 307, 537, 567, 921, 1253, 1611, 2149, 2763, 3759, 4833, 6447, 8289, 11277, 14499, 19341, 24867, 33831, 54953, 58023, 101493, 164859, 174069, 384671, 494577, 1154013, 1483731, 3462039, 4451193, 10386117, 31158351]

約数ペア:

[(1, 31158351), (3, 10386117), (7, 4451193), (9, 3462039), (21, 1483731), (27, 1154013), (63, 494577), (81, 384671), (179, 174069), (189, 164859), (307, 101493), (537, 58023), (567, 54953), (921, 33831), (1253, 24867), (1611, 19341), (2149, 14499), (2763, 11277), (3759, 8289), (4833, 6447)]