81856026

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{649651}}^1$

素因数の和:649666

約数の個数: 24

約数和(自身を含む): 202691424

約数和(自身を除く): 120835398

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 649651, 1299302, 1948953, 3897906, 4547557, 5846859, 9095114, 11693718, 13642671, 27285342, 40928013, 81856026]

約数ペア:

[(1, 81856026), (2, 40928013), (3, 27285342), (6, 13642671), (7, 11693718), (9, 9095114), (14, 5846859), (18, 4547557), (21, 3897906), (42, 1948953), (63, 1299302), (126, 649651)]