389639229

素因数分解:

$3^1\times 7^2\times {\mathrm{1201}}^1\times {\mathrm{2207}}^1$

素因数の和:3425

約数の個数: 24

約数和(自身を含む): 605115648

約数和(自身を除く): 215476419

約数列:

[1, 3, 7, 21, 49, 147, 1201, 2207, 3603, 6621, 8407, 15449, 25221, 46347, 58849, 108143, 176547, 324429, 2650607, 7951821, 18554249, 55662747, 129879743, 389639229]

約数ペア:

[(1, 389639229), (3, 129879743), (7, 55662747), (21, 18554249), (49, 7951821), (147, 2650607), (1201, 324429), (2207, 176547), (3603, 108143), (6621, 58849), (8407, 46347), (15449, 25221)]