161729955

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{123931}}^1$

素因数の和:123971

約数の個数: 24

約数和(自身を含む): 290000880

約数和(自身を除く): 128270925

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 123931, 371793, 619655, 1115379, 1858965, 3593999, 5576895, 10781997, 17969995, 32345991, 53909985, 161729955]

約数ペア:

[(1, 161729955), (3, 53909985), (5, 32345991), (9, 17969995), (15, 10781997), (29, 5576895), (45, 3593999), (87, 1858965), (145, 1115379), (261, 619655), (435, 371793), (1305, 123931)]