1242875

素因数分解:

$5^3\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:239

約数の個数: 16

約数和(自身を含む): 1586208

約数和(自身を除く): 343333

約数列:

[1, 5, 25, 61, 125, 163, 305, 815, 1525, 4075, 7625, 9943, 20375, 49715, 248575, 1242875]

約数ペア:

[(1, 1242875), (5, 248575), (25, 49715), (61, 20375), (125, 9943), (163, 7625), (305, 4075), (815, 1525)]