15317875

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:172

約数の個数: 32

約数和(自身を含む): 20367360

約数和(自身を除く): 5049485

約数列:

[1, 5, 25, 31, 59, 67, 125, 155, 295, 335, 775, 1475, 1675, 1829, 2077, 3875, 3953, 7375, 8375, 9145, 10385, 19765, 45725, 51925, 98825, 122543, 228625, 259625, 494125, 612715, 3063575, 15317875]

約数ペア:

[(1, 15317875), (5, 3063575), (25, 612715), (31, 494125), (59, 259625), (67, 228625), (125, 122543), (155, 98825), (295, 51925), (335, 45725), (775, 19765), (1475, 10385), (1675, 9145), (1829, 8375), (2077, 7375), (3875, 3953)]