551421

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{1571}}^1$

素因数の和:1593

約数の個数: 16

約数和(自身を含む): 880320

約数和(自身を除く): 328899

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 1571, 4713, 14139, 20423, 42417, 61269, 183807, 551421]

約数ペア:

[(1, 551421), (3, 183807), (9, 61269), (13, 42417), (27, 20423), (39, 14139), (117, 4713), (351, 1571)]