16681449

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{73}}^1\times {\mathrm{211}}^1$

素因数の和:325

約数の個数: 24

約数和(自身を含む): 23908512

約数和(自身を除く): 7227063

約数列:

[1, 3, 19, 57, 73, 211, 219, 361, 633, 1083, 1387, 4009, 4161, 12027, 15403, 26353, 46209, 76171, 79059, 228513, 292657, 877971, 5560483, 16681449]

約数ペア:

[(1, 16681449), (3, 5560483), (19, 877971), (57, 292657), (73, 228513), (211, 79059), (219, 76171), (361, 46209), (633, 26353), (1083, 15403), (1387, 12027), (4009, 4161)]