66866655

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{241}}^1\times {\mathrm{349}}^1$

素因数の和:651

約数の個数: 32

約数和(自身を含む): 109771200

約数和(自身を除く): 42904545

約数列:

[1, 3, 5, 15, 53, 159, 241, 265, 349, 723, 795, 1047, 1205, 1745, 3615, 5235, 12773, 18497, 38319, 55491, 63865, 84109, 92485, 191595, 252327, 277455, 420545, 1261635, 4457777, 13373331, 22288885, 66866655]

約数ペア:

[(1, 66866655), (3, 22288885), (5, 13373331), (15, 4457777), (53, 1261635), (159, 420545), (241, 277455), (265, 252327), (349, 191595), (723, 92485), (795, 84109), (1047, 63865), (1205, 55491), (1745, 38319), (3615, 18497), (5235, 12773)]