138974667

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{1049}}^1$

素因数の和:1187

約数の個数: 32

約数和(自身を含む): 206976000

約数和(自身を除く): 68001333

約数列:

[1, 3, 13, 39, 43, 79, 129, 237, 559, 1027, 1049, 1677, 3081, 3147, 3397, 10191, 13637, 40911, 44161, 45107, 82871, 132483, 135321, 248613, 586391, 1077323, 1759173, 3231969, 3563453, 10690359, 46324889, 138974667]

約数ペア:

[(1, 138974667), (3, 46324889), (13, 10690359), (39, 3563453), (43, 3231969), (79, 1759173), (129, 1077323), (237, 586391), (559, 248613), (1027, 135321), (1049, 132483), (1677, 82871), (3081, 45107), (3147, 44161), (3397, 40911), (10191, 13637)]