664683669

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{15737}}^1$

素因数の和:15794

約数の個数: 36

約数和(自身を含む): 1091304396

約数和(自身を除く): 426620727

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 361, 741, 1083, 2223, 3249, 4693, 14079, 15737, 42237, 47211, 141633, 204581, 299003, 613743, 897009, 1841229, 2691027, 3887039, 5681057, 11661117, 17043171, 34983351, 51129513, 73853741, 221561223, 664683669]

約数ペア:

[(1, 664683669), (3, 221561223), (9, 73853741), (13, 51129513), (19, 34983351), (39, 17043171), (57, 11661117), (117, 5681057), (171, 3887039), (247, 2691027), (361, 1841229), (741, 897009), (1083, 613743), (2223, 299003), (3249, 204581), (4693, 141633), (14079, 47211), (15737, 42237)]