12721875

素因数分解:

$3^1\times 5^5\times {\mathrm{23}}^1\times {\mathrm{59}}^1$

素因数の和:110

約数の個数: 48

約数和(自身を含む): 22498560

約数和(自身を除く): 9776685

約数列:

[1, 3, 5, 15, 23, 25, 59, 69, 75, 115, 125, 177, 295, 345, 375, 575, 625, 885, 1357, 1475, 1725, 1875, 2875, 3125, 4071, 4425, 6785, 7375, 8625, 9375, 14375, 20355, 22125, 33925, 36875, 43125, 71875, 101775, 110625, 169625, 184375, 215625, 508875, 553125, 848125, 2544375, 4240625, 12721875]

約数ペア:

[(1, 12721875), (3, 4240625), (5, 2544375), (15, 848125), (23, 553125), (25, 508875), (59, 215625), (69, 184375), (75, 169625), (115, 110625), (125, 101775), (177, 71875), (295, 43125), (345, 36875), (375, 33925), (575, 22125), (625, 20355), (885, 14375), (1357, 9375), (1475, 8625), (1725, 7375), (1875, 6785), (2875, 4425), (3125, 4071)]