221420145

素因数分解:

$3^1\times 5^1\times {\mathrm{479}}^1\times {\mathrm{30817}}^1$

素因数の和:31304

約数の個数: 16

約数和(自身を含む): 355023360

約数和(自身を除く): 133603215

約数列:

[1, 3, 5, 15, 479, 1437, 2395, 7185, 30817, 92451, 154085, 462255, 14761343, 44284029, 73806715, 221420145]

約数ペア:

[(1, 221420145), (3, 73806715), (5, 44284029), (15, 14761343), (479, 462255), (1437, 154085), (2395, 92451), (7185, 30817)]