415991781

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{125261}}^1$

素因数の和:125314

約数の個数: 20

約数和(自身を含む): 636581484

約数和(自身を除く): 220589703

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 125261, 375783, 1127349, 3382047, 5135701, 10146141, 15407103, 46221309, 138663927, 415991781]

約数ペア:

[(1, 415991781), (3, 138663927), (9, 46221309), (27, 15407103), (41, 10146141), (81, 5135701), (123, 3382047), (369, 1127349), (1107, 375783), (3321, 125261)]