64988961

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{8641}}^1$

素因数の和:8776

約数の個数: 16

約数和(自身を含む): 91259520

約数和(自身を除く): 26270559

約数列:

[1, 3, 23, 69, 109, 327, 2507, 7521, 8641, 25923, 198743, 596229, 941869, 2825607, 21662987, 64988961]

約数ペア:

[(1, 64988961), (3, 21662987), (23, 2825607), (69, 941869), (109, 596229), (327, 198743), (2507, 25923), (7521, 8641)]