821569251

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{122971}}^1$

素因数の和:123122

約数の個数: 16

約数和(自身を含む): 1168725888

約数和(自身を除く): 347156637

約数列:

[1, 3, 17, 51, 131, 393, 2227, 6681, 122971, 368913, 2090507, 6271521, 16109201, 48327603, 273856417, 821569251]

約数ペア:

[(1, 821569251), (3, 273856417), (17, 48327603), (51, 16109201), (131, 6271521), (393, 2090507), (2227, 368913), (6681, 122971)]