1281189

素因数分解:

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

素因数の和:74

約数の個数: 36

約数和(自身を含む): 2231136

約数和(自身を除く): 949947

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 169, 247, 273, 361, 399, 507, 741, 1083, 1183, 1729, 2527, 3211, 3549, 4693, 5187, 7581, 9633, 14079, 22477, 32851, 61009, 67431, 98553, 183027, 427063, 1281189]

約数ペア:

[(1, 1281189), (3, 427063), (7, 183027), (13, 98553), (19, 67431), (21, 61009), (39, 32851), (57, 22477), (91, 14079), (133, 9633), (169, 7581), (247, 5187), (273, 4693), (361, 3549), (399, 3211), (507, 2527), (741, 1729), (1083, 1183)]