724254741

素因数分解:

$3^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{23131}}^1$

素因数の和:23222

約数の個数: 36

約数和(自身を含む): 1234138464

約数和(自身を除く): 509883723

約数列:

[1, 3, 7, 9, 21, 49, 63, 71, 147, 213, 441, 497, 639, 1491, 3479, 4473, 10437, 23131, 31311, 69393, 161917, 208179, 485751, 1133419, 1457253, 1642301, 3400257, 4926903, 10200771, 11496107, 14780709, 34488321, 80472749, 103464963, 241418247, 724254741]

約数ペア:

[(1, 724254741), (3, 241418247), (7, 103464963), (9, 80472749), (21, 34488321), (49, 14780709), (63, 11496107), (71, 10200771), (147, 4926903), (213, 3400257), (441, 1642301), (497, 1457253), (639, 1133419), (1491, 485751), (3479, 208179), (4473, 161917), (10437, 69393), (23131, 31311)]