64642941

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{72551}}^1$

素因数の和:72574

約数の個数: 20

約数和(自身を含む): 105345504

約数和(自身を除く): 40702563

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 72551, 217653, 652959, 798061, 1958877, 2394183, 5876631, 7182549, 21547647, 64642941]

約数ペア:

[(1, 64642941), (3, 21547647), (9, 7182549), (11, 5876631), (27, 2394183), (33, 1958877), (81, 798061), (99, 652959), (297, 217653), (891, 72551)]