207794209

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{13487}}^1$

素因数の和:13596

約数の個数: 16

約数和(自身を含む): 248610816

約数和(自身を除く): 40816607

約数列:

[1, 7, 31, 71, 217, 497, 2201, 13487, 15407, 94409, 418097, 957577, 2926679, 6703039, 29684887, 207794209]

約数ペア:

[(1, 207794209), (7, 29684887), (31, 6703039), (71, 2926679), (217, 957577), (497, 418097), (2201, 94409), (13487, 15407)]