12961875

素因数分解:

$3^1\times 5^4\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:277

約数の個数: 40

約数和(自身を含む): 22392832

約数和(自身を除く): 9430957

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 125, 155, 223, 375, 465, 625, 669, 775, 1115, 1875, 2325, 3345, 3875, 5575, 6913, 11625, 16725, 19375, 20739, 27875, 34565, 58125, 83625, 103695, 139375, 172825, 418125, 518475, 864125, 2592375, 4320625, 12961875]

約数ペア:

[(1, 12961875), (3, 4320625), (5, 2592375), (15, 864125), (25, 518475), (31, 418125), (75, 172825), (93, 139375), (125, 103695), (155, 83625), (223, 58125), (375, 34565), (465, 27875), (625, 20739), (669, 19375), (775, 16725), (1115, 11625), (1875, 6913), (2325, 5575), (3345, 3875)]