72399873

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{1627}}^1$

素因数の和:1813

約数の個数: 32

約数和(自身を含む): 119612416

約数和(自身を除く): 47212543

約数列:

[1, 3, 7, 13, 21, 39, 91, 163, 273, 489, 1141, 1627, 2119, 3423, 4881, 6357, 11389, 14833, 21151, 34167, 44499, 63453, 148057, 265201, 444171, 795603, 1856407, 3447613, 5569221, 10342839, 24133291, 72399873]

約数ペア:

[(1, 72399873), (3, 24133291), (7, 10342839), (13, 5569221), (21, 3447613), (39, 1856407), (91, 795603), (163, 444171), (273, 265201), (489, 148057), (1141, 63453), (1627, 44499), (2119, 34167), (3423, 21151), (4881, 14833), (6357, 11389)]