1377799885

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{511243}}^1$

素因数の和:511273

約数の個数: 24

約数和(自身を含む): 2098145376

約数和(自身を除く): 720345491

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 385, 539, 2695, 511243, 2556215, 3578701, 5623673, 17893505, 25050907, 28118365, 39365711, 125254535, 196828555, 275559977, 1377799885]

約数ペア:

[(1, 1377799885), (5, 275559977), (7, 196828555), (11, 125254535), (35, 39365711), (49, 28118365), (55, 25050907), (77, 17893505), (245, 5623673), (385, 3578701), (539, 2556215), (2695, 511243)]