18155625

素因数分解:

$3^1\times 5^4\times {\mathrm{23}}^1\times {\mathrm{421}}^1$

素因数の和:467

約数の個数: 40

約数和(自身を含む): 31639872

約数和(自身を除く): 13484247

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 125, 345, 375, 421, 575, 625, 1263, 1725, 1875, 2105, 2875, 6315, 8625, 9683, 10525, 14375, 29049, 31575, 43125, 48415, 52625, 145245, 157875, 242075, 263125, 726225, 789375, 1210375, 3631125, 6051875, 18155625]

約数ペア:

[(1, 18155625), (3, 6051875), (5, 3631125), (15, 1210375), (23, 789375), (25, 726225), (69, 263125), (75, 242075), (115, 157875), (125, 145245), (345, 52625), (375, 48415), (421, 43125), (575, 31575), (625, 29049), (1263, 14375), (1725, 10525), (1875, 9683), (2105, 8625), (2875, 6315)]