39908745

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{12491}}^1$

素因数の和:12573

約数の個数: 24

約数和(自身を含む): 70155072

約数和(自身を除く): 30246327

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 12491, 37473, 62455, 112419, 187365, 562095, 886861, 2660583, 4434305, 7981749, 13302915, 39908745]

約数ペア:

[(1, 39908745), (3, 13302915), (5, 7981749), (9, 4434305), (15, 2660583), (45, 886861), (71, 562095), (213, 187365), (355, 112419), (639, 62455), (1065, 37473), (3195, 12491)]