71319843

素因数分解:

$3^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{3761}}^1$

素因数の和:3824

約数の個数: 36

約数和(自身を含む): 122656248

約数和(自身を除く): 51336405

約数列:

[1, 3, 7, 9, 21, 43, 49, 63, 129, 147, 301, 387, 441, 903, 2107, 2709, 3761, 6321, 11283, 18963, 26327, 33849, 78981, 161723, 184289, 236943, 485169, 552867, 1132061, 1455507, 1658601, 3396183, 7924427, 10188549, 23773281, 71319843]

約数ペア:

[(1, 71319843), (3, 23773281), (7, 10188549), (9, 7924427), (21, 3396183), (43, 1658601), (49, 1455507), (63, 1132061), (129, 552867), (147, 485169), (301, 236943), (387, 184289), (441, 161723), (903, 78981), (2107, 33849), (2709, 26327), (3761, 18963), (6321, 11283)]