51672375

素因数分解:

$3^2\times 5^3\times {\mathrm{23}}^1\times {\mathrm{1997}}^1$

素因数の和:2041

約数の個数: 48

約数和(自身を含む): 97246656

約数和(自身を除く): 45574281

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 69, 75, 115, 125, 207, 225, 345, 375, 575, 1035, 1125, 1725, 1997, 2875, 5175, 5991, 8625, 9985, 17973, 25875, 29955, 45931, 49925, 89865, 137793, 149775, 229655, 249625, 413379, 449325, 688965, 748875, 1148275, 2066895, 2246625, 3444825, 5741375, 10334475, 17224125, 51672375]

約数ペア:

[(1, 51672375), (3, 17224125), (5, 10334475), (9, 5741375), (15, 3444825), (23, 2246625), (25, 2066895), (45, 1148275), (69, 748875), (75, 688965), (115, 449325), (125, 413379), (207, 249625), (225, 229655), (345, 149775), (375, 137793), (575, 89865), (1035, 49925), (1125, 45931), (1725, 29955), (1997, 25875), (2875, 17973), (5175, 9985), (5991, 8625)]