2147625

素因数分解:

$3^2\times 5^3\times {\mathrm{23}}^1\times {\mathrm{83}}^1$

素因数の和:127

約数の個数: 48

約数和(自身を含む): 4088448

約数和(自身を除く): 1940823

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 69, 75, 83, 115, 125, 207, 225, 249, 345, 375, 415, 575, 747, 1035, 1125, 1245, 1725, 1909, 2075, 2875, 3735, 5175, 5727, 6225, 8625, 9545, 10375, 17181, 18675, 25875, 28635, 31125, 47725, 85905, 93375, 143175, 238625, 429525, 715875, 2147625]

約数ペア:

[(1, 2147625), (3, 715875), (5, 429525), (9, 238625), (15, 143175), (23, 93375), (25, 85905), (45, 47725), (69, 31125), (75, 28635), (83, 25875), (115, 18675), (125, 17181), (207, 10375), (225, 9545), (249, 8625), (345, 6225), (375, 5727), (415, 5175), (575, 3735), (747, 2875), (1035, 2075), (1125, 1909), (1245, 1725)]