200720541

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{587}}^1\times {\mathrm{857}}^1$

素因数の和:1473

約数の個数: 32

約数和(自身を含む): 322882560

約数和(自身を除く): 122162019

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 587, 857, 1761, 2571, 4109, 5999, 11153, 12327, 16283, 17997, 33459, 48849, 78071, 113981, 234213, 341943, 503059, 1509177, 3521413, 9558121, 10564239, 28674363, 66906847, 200720541]

約数ペア:

[(1, 200720541), (3, 66906847), (7, 28674363), (19, 10564239), (21, 9558121), (57, 3521413), (133, 1509177), (399, 503059), (587, 341943), (857, 234213), (1761, 113981), (2571, 78071), (4109, 48849), (5999, 33459), (11153, 17997), (12327, 16283)]