31082025

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{449}}^1$

素因数の和:546

約数の個数: 48

約数和(自身を含む): 56246400

約数和(自身を除く): 25164375

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 71, 75, 195, 213, 325, 355, 449, 923, 975, 1065, 1347, 1775, 2245, 2769, 4615, 5325, 5837, 6735, 11225, 13845, 17511, 23075, 29185, 31879, 33675, 69225, 87555, 95637, 145925, 159395, 414427, 437775, 478185, 796975, 1243281, 2072135, 2390925, 6216405, 10360675, 31082025]

約数ペア:

[(1, 31082025), (3, 10360675), (5, 6216405), (13, 2390925), (15, 2072135), (25, 1243281), (39, 796975), (65, 478185), (71, 437775), (75, 414427), (195, 159395), (213, 145925), (325, 95637), (355, 87555), (449, 69225), (923, 33675), (975, 31879), (1065, 29185), (1347, 23075), (1775, 17511), (2245, 13845), (2769, 11225), (4615, 6735), (5325, 5837)]