31199025

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2909}}^1$

素因数の和:2946

約数の個数: 48

約数和(自身を含む): 60621120

約数和(自身を除く): 29422095

約数列:

[1, 3, 5, 11, 13, 15, 25, 33, 39, 55, 65, 75, 143, 165, 195, 275, 325, 429, 715, 825, 975, 2145, 2909, 3575, 8727, 10725, 14545, 31999, 37817, 43635, 72725, 95997, 113451, 159995, 189085, 218175, 415987, 479985, 567255, 799975, 945425, 1247961, 2079935, 2399925, 2836275, 6239805, 10399675, 31199025]

約数ペア:

[(1, 31199025), (3, 10399675), (5, 6239805), (11, 2836275), (13, 2399925), (15, 2079935), (25, 1247961), (33, 945425), (39, 799975), (55, 567255), (65, 479985), (75, 415987), (143, 218175), (165, 189085), (195, 159995), (275, 113451), (325, 95997), (429, 72725), (715, 43635), (825, 37817), (975, 31999), (2145, 14545), (2909, 10725), (3575, 8727)]