31417125

素因数分解:

$3^1\times 5^3\times {\mathrm{199}}^1\times {\mathrm{421}}^1$

素因数の和:638

約数の個数: 32

約数和(自身を含む): 52665600

約数和(自身を除く): 21248475

約数列:

[1, 3, 5, 15, 25, 75, 125, 199, 375, 421, 597, 995, 1263, 2105, 2985, 4975, 6315, 10525, 14925, 24875, 31575, 52625, 74625, 83779, 157875, 251337, 418895, 1256685, 2094475, 6283425, 10472375, 31417125]

約数ペア:

[(1, 31417125), (3, 10472375), (5, 6283425), (15, 2094475), (25, 1256685), (75, 418895), (125, 251337), (199, 157875), (375, 83779), (421, 74625), (597, 52625), (995, 31575), (1263, 24875), (2105, 14925), (2985, 10525), (4975, 6315)]