12787875

素因数分解:

$3^5\times 5^3\times {\mathrm{421}}^1$

素因数の和:451

約数の個数: 48

約数和(自身を含む): 23962848

約数和(自身を除く): 11174973

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 125, 135, 225, 243, 375, 405, 421, 675, 1125, 1215, 1263, 2025, 2105, 3375, 3789, 6075, 6315, 10125, 10525, 11367, 18945, 30375, 31575, 34101, 52625, 56835, 94725, 102303, 157875, 170505, 284175, 473625, 511515, 852525, 1420875, 2557575, 4262625, 12787875]

約数ペア:

[(1, 12787875), (3, 4262625), (5, 2557575), (9, 1420875), (15, 852525), (25, 511515), (27, 473625), (45, 284175), (75, 170505), (81, 157875), (125, 102303), (135, 94725), (225, 56835), (243, 52625), (375, 34101), (405, 31575), (421, 30375), (675, 18945), (1125, 11367), (1215, 10525), (1263, 10125), (2025, 6315), (2105, 6075), (3375, 3789)]