139397503

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{691}}^1$

素因数の和:907

約数の個数: 24

約数和(自身を含む): 170398080

約数和(自身を除く): 31000577

約数列:

[1, 7, 23, 49, 161, 179, 691, 1127, 1253, 4117, 4837, 8771, 15893, 28819, 33859, 111251, 123689, 201733, 778757, 865823, 2844847, 6060761, 19913929, 139397503]

約数ペア:

[(1, 139397503), (7, 19913929), (23, 6060761), (49, 2844847), (161, 865823), (179, 778757), (691, 201733), (1127, 123689), (1253, 111251), (4117, 33859), (4837, 28819), (8771, 15893)]