81172725

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{34913}}^1$

素因数の和:34957

約数の個数: 24

約数和(自身を含む): 138538752

約数和(自身を除く): 57366027

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 155, 465, 775, 2325, 34913, 104739, 174565, 523695, 872825, 1082303, 2618475, 3246909, 5411515, 16234545, 27057575, 81172725]

約数ペア:

[(1, 81172725), (3, 27057575), (5, 16234545), (15, 5411515), (25, 3246909), (31, 2618475), (75, 1082303), (93, 872825), (155, 523695), (465, 174565), (775, 104739), (2325, 34913)]