261031736301

素因数分解:

$3^1\times 7^1\times {\mathrm{20749}}^1\times {\mathrm{599069}}^1$

素因数の和:619828

約数の個数: 16

約数和(自身を含む): 397782480000

約数和(自身を除く): 136750743699

約数列:

[1, 3, 7, 21, 20749, 62247, 145243, 435729, 599069, 1797207, 4193483, 12580449, 12430082681, 37290248043, 87010578767, 261031736301]

約数ペア:

[(1, 261031736301), (3, 87010578767), (7, 37290248043), (21, 12430082681), (20749, 12580449), (62247, 4193483), (145243, 1797207), (435729, 599069)]