221448283

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{829}}^1\times {\mathrm{1231}}^1$

素因数の和:2098

約数の個数: 16

約数和(自身を含む): 261775360

約数和(自身を除く): 40327077

約数列:

[1, 7, 31, 217, 829, 1231, 5803, 8617, 25699, 38161, 179893, 267127, 1020499, 7143493, 31635469, 221448283]

約数ペア:

[(1, 221448283), (7, 31635469), (31, 7143493), (217, 1020499), (829, 267127), (1231, 179893), (5803, 38161), (8617, 25699)]