81517878

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{348367}}^1$

素因数の和:348388

約数の個数: 24

約数和(自身を含む): 190208928

約数和(自身を除く): 108691050

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 348367, 696734, 1045101, 2090202, 3135303, 4528771, 6270606, 9057542, 13586313, 27172626, 40758939, 81517878]

約数ペア:

[(1, 81517878), (2, 40758939), (3, 27172626), (6, 13586313), (9, 9057542), (13, 6270606), (18, 4528771), (26, 3135303), (39, 2090202), (78, 1045101), (117, 696734), (234, 348367)]