1640803581

素因数分解:

$3^3\times {\mathrm{419}}^1\times {\mathrm{145037}}^1$

素因数の和:145465

約数の個数: 16

約数和(自身を含む): 2436638400

約数和(自身を除く): 795834819

約数列:

[1, 3, 9, 27, 419, 1257, 3771, 11313, 145037, 435111, 1305333, 3915999, 60770503, 182311509, 546934527, 1640803581]

約数ペア:

[(1, 1640803581), (3, 546934527), (9, 182311509), (27, 60770503), (419, 3915999), (1257, 1305333), (3771, 435111), (11313, 145037)]