1255878981

素因数分解:

$3^2\times 7^1\times {\mathrm{1373}}^1\times {\mathrm{14519}}^1$

素因数の和:15905

約数の個数: 24

約数和(自身を含む): 2074849920

約数和(自身を除く): 818970939

約数列:

[1, 3, 7, 9, 21, 63, 1373, 4119, 9611, 12357, 14519, 28833, 43557, 86499, 101633, 130671, 304899, 914697, 19934587, 59803761, 139542109, 179411283, 418626327, 1255878981]

約数ペア:

[(1, 1255878981), (3, 418626327), (7, 179411283), (9, 139542109), (21, 59803761), (63, 19934587), (1373, 914697), (4119, 304899), (9611, 130671), (12357, 101633), (14519, 86499), (28833, 43557)]