131407969

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{277}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 168774912

約数和(自身を除く): 37366943

約数列:

[1, 7, 11, 61, 77, 101, 277, 427, 671, 707, 1111, 1939, 3047, 4697, 6161, 7777, 16897, 21329, 27977, 43127, 67771, 118279, 185867, 195839, 307747, 474397, 1301069, 1706597, 2154229, 11946179, 18772567, 131407969]

約数ペア:

[(1, 131407969), (7, 18772567), (11, 11946179), (61, 2154229), (77, 1706597), (101, 1301069), (277, 474397), (427, 307747), (671, 195839), (707, 185867), (1111, 118279), (1939, 67771), (3047, 43127), (4697, 27977), (6161, 21329), (7777, 16897)]