16387215

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4423}}^1$

素因数の和:4463

約数の個数: 32

約数和(自身を含む): 29729280

約数和(自身を除く): 13342065

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 3705, 4423, 13269, 22115, 57499, 66345, 84037, 172497, 252111, 287495, 420185, 862485, 1092481, 1260555, 3277443, 5462405, 16387215]

約数ペア:

[(1, 16387215), (3, 5462405), (5, 3277443), (13, 1260555), (15, 1092481), (19, 862485), (39, 420185), (57, 287495), (65, 252111), (95, 172497), (195, 84037), (247, 66345), (285, 57499), (741, 22115), (1235, 13269), (3705, 4423)]