38961975

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{449}}^1$

素因数の和:564

約数の個数: 48

約数和(自身を含む): 70308000

約数和(自身を除く): 31346025

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 89, 195, 267, 325, 445, 449, 975, 1157, 1335, 1347, 2225, 2245, 3471, 5785, 5837, 6675, 6735, 11225, 17355, 17511, 28925, 29185, 33675, 39961, 86775, 87555, 119883, 145925, 199805, 437775, 519493, 599415, 999025, 1558479, 2597465, 2997075, 7792395, 12987325, 38961975]

約数ペア:

[(1, 38961975), (3, 12987325), (5, 7792395), (13, 2997075), (15, 2597465), (25, 1558479), (39, 999025), (65, 599415), (75, 519493), (89, 437775), (195, 199805), (267, 145925), (325, 119883), (445, 87555), (449, 86775), (975, 39961), (1157, 33675), (1335, 29185), (1347, 28925), (2225, 17511), (2245, 17355), (3471, 11225), (5785, 6735), (5837, 6675)]