8107281

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1$

素因数の和:566

約数の個数: 48

約数和(自身を含む): 15200640

約数和(自身を除く): 7093359

約数列:

[1, 3, 7, 9, 13, 19, 21, 39, 57, 63, 91, 117, 133, 171, 247, 273, 399, 521, 741, 819, 1197, 1563, 1729, 2223, 3647, 4689, 5187, 6773, 9899, 10941, 15561, 20319, 29697, 32823, 47411, 60957, 69293, 89091, 128687, 142233, 207879, 386061, 426699, 623637, 900809, 1158183, 2702427, 8107281]

約数ペア:

[(1, 8107281), (3, 2702427), (7, 1158183), (9, 900809), (13, 623637), (19, 426699), (21, 386061), (39, 207879), (57, 142233), (63, 128687), (91, 89091), (117, 69293), (133, 60957), (171, 47411), (247, 32823), (273, 29697), (399, 20319), (521, 15561), (741, 10941), (819, 9899), (1197, 6773), (1563, 5187), (1729, 4689), (2223, 3647)]