211375515

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{479}}^1$

素因数の和:604

約数の個数: 64

約数和(自身を含む): 381911040

約数和(自身を除く): 170535525

約数列:

[1, 3, 5, 13, 15, 31, 39, 65, 73, 93, 155, 195, 219, 365, 403, 465, 479, 949, 1095, 1209, 1437, 2015, 2263, 2395, 2847, 4745, 6045, 6227, 6789, 7185, 11315, 14235, 14849, 18681, 29419, 31135, 33945, 34967, 44547, 74245, 88257, 93405, 104901, 147095, 174835, 193037, 222735, 441285, 454571, 524505, 579111, 965185, 1083977, 1363713, 2272855, 2895555, 3251931, 5419885, 6818565, 14091701, 16259655, 42275103, 70458505, 211375515]

約数ペア:

[(1, 211375515), (3, 70458505), (5, 42275103), (13, 16259655), (15, 14091701), (31, 6818565), (39, 5419885), (65, 3251931), (73, 2895555), (93, 2272855), (155, 1363713), (195, 1083977), (219, 965185), (365, 579111), (403, 524505), (465, 454571), (479, 441285), (949, 222735), (1095, 193037), (1209, 174835), (1437, 147095), (2015, 104901), (2263, 93405), (2395, 88257), (2847, 74245), (4745, 44547), (6045, 34967), (6227, 33945), (6789, 31135), (7185, 29419), (11315, 18681), (14235, 14849)]