1306431

素因数分解:

$3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{233}}^1$

素因数の和:335

約数の個数: 24

約数和(自身を含む): 2190240

約数和(自身を除く): 883809

約数列:

[1, 3, 7, 9, 21, 63, 89, 233, 267, 623, 699, 801, 1631, 1869, 2097, 4893, 5607, 14679, 20737, 62211, 145159, 186633, 435477, 1306431]

約数ペア:

[(1, 1306431), (3, 435477), (7, 186633), (9, 145159), (21, 62211), (63, 20737), (89, 14679), (233, 5607), (267, 4893), (623, 2097), (699, 1869), (801, 1631)]