1664421

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1627}}^1$

素因数の和:1672

約数の個数: 16

約数和(自身を含む): 2500608

約数和(自身を除く): 836187

約数列:

[1, 3, 11, 31, 33, 93, 341, 1023, 1627, 4881, 17897, 50437, 53691, 151311, 554807, 1664421]

約数ペア:

[(1, 1664421), (3, 554807), (11, 151311), (31, 53691), (33, 50437), (93, 17897), (341, 4881), (1023, 1627)]