178395009

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{12671}}^1$

素因数の和:12725

約数の個数: 24

約数和(自身を含む): 270369792

約数和(自身を除く): 91974783

約数列:

[1, 3, 13, 19, 39, 57, 247, 361, 741, 1083, 4693, 12671, 14079, 38013, 164723, 240749, 494169, 722247, 3129737, 4574231, 9389211, 13722693, 59465003, 178395009]

約数ペア:

[(1, 178395009), (3, 59465003), (13, 13722693), (19, 9389211), (39, 4574231), (57, 3129737), (247, 722247), (361, 494169), (741, 240749), (1083, 164723), (4693, 38013), (12671, 14079)]