208688325

素因数分解:

$3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{479}}^1$

素因数の和:686

約数の個数: 48

約数和(自身を含む): 357358080

約数和(自身を除く): 148669755

約数列:

[1, 3, 5, 15, 25, 37, 75, 111, 157, 185, 471, 479, 555, 785, 925, 1437, 2355, 2395, 2775, 3925, 5809, 7185, 11775, 11975, 17427, 17723, 29045, 35925, 53169, 75203, 87135, 88615, 145225, 225609, 265845, 376015, 435675, 443075, 1128045, 1329225, 1880075, 2782511, 5640225, 8347533, 13912555, 41737665, 69562775, 208688325]

約数ペア:

[(1, 208688325), (3, 69562775), (5, 41737665), (15, 13912555), (25, 8347533), (37, 5640225), (75, 2782511), (111, 1880075), (157, 1329225), (185, 1128045), (471, 443075), (479, 435675), (555, 376015), (785, 265845), (925, 225609), (1437, 145225), (2355, 88615), (2395, 87135), (2775, 75203), (3925, 53169), (5809, 35925), (7185, 29045), (11775, 17723), (11975, 17427)]