7621191

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{419}}^1$

素因数の和:515

約数の個数: 24

約数和(自身を含む): 11531520

約数和(自身を除く): 3910329

約数列:

[1, 3, 9, 43, 47, 129, 141, 387, 419, 423, 1257, 2021, 3771, 6063, 18017, 18189, 19693, 54051, 59079, 162153, 177237, 846799, 2540397, 7621191]

約数ペア:

[(1, 7621191), (3, 2540397), (9, 846799), (43, 177237), (47, 162153), (129, 59079), (141, 54051), (387, 19693), (419, 18189), (423, 18017), (1257, 6063), (2021, 3771)]