66921575

素因数分解:

$5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{6269}}^1$

素因数の和:6347

約数の個数: 24

約数和(自身を含む): 96407520

約数和(自身を除く): 29485945

約数列:

[1, 5, 7, 25, 35, 61, 175, 305, 427, 1525, 2135, 6269, 10675, 31345, 43883, 156725, 219415, 382409, 1097075, 1912045, 2676863, 9560225, 13384315, 66921575]

約数ペア:

[(1, 66921575), (5, 13384315), (7, 9560225), (25, 2676863), (35, 1912045), (61, 1097075), (175, 382409), (305, 219415), (427, 156725), (1525, 43883), (2135, 31345), (6269, 10675)]