31375335

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{457}}^1$

素因数の和:687

約数の個数: 32

約数和(自身を含む): 52761600

約数和(自身を除く): 21386265

約数列:

[1, 3, 5, 15, 23, 69, 115, 199, 345, 457, 597, 995, 1371, 2285, 2985, 4577, 6855, 10511, 13731, 22885, 31533, 52555, 68655, 90943, 157665, 272829, 454715, 1364145, 2091689, 6275067, 10458445, 31375335]

約数ペア:

[(1, 31375335), (3, 10458445), (5, 6275067), (15, 2091689), (23, 1364145), (69, 454715), (115, 272829), (199, 157665), (345, 90943), (457, 68655), (597, 52555), (995, 31533), (1371, 22885), (2285, 13731), (2985, 10511), (4577, 6855)]