644328891

素因数分解:

$3^3\times {\mathrm{1471}}^1\times {\mathrm{16223}}^1$

素因数の和:17703

約数の個数: 16

約数和(自身を含む): 955269120

約数和(自身を除く): 310940229

約数列:

[1, 3, 9, 27, 1471, 4413, 13239, 16223, 39717, 48669, 146007, 438021, 23864033, 71592099, 214776297, 644328891]

約数ペア:

[(1, 644328891), (3, 214776297), (9, 71592099), (27, 23864033), (1471, 438021), (4413, 146007), (13239, 48669), (16223, 39717)]