64994181

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{43591}}^1$

素因数の和:43672

約数の個数: 16

約数和(自身を含む): 100435968

約数和(自身を除く): 35441787

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 43591, 130773, 305137, 915411, 3094961, 9284883, 21664727, 64994181]

約数ペア:

[(1, 64994181), (3, 21664727), (7, 9284883), (21, 3094961), (71, 915411), (213, 305137), (497, 130773), (1491, 43591)]