81626175

素因数分解:

$3^2\times 5^2\times {\mathrm{409}}^1\times {\mathrm{887}}^1$

素因数の和:1312

約数の個数: 36

約数和(自身を含む): 146724240

約数和(自身を除く): 65098065

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 409, 887, 1227, 2045, 2661, 3681, 4435, 6135, 7983, 10225, 13305, 18405, 22175, 30675, 39915, 66525, 92025, 199575, 362783, 1088349, 1813915, 3265047, 5441745, 9069575, 16325235, 27208725, 81626175]

約数ペア:

[(1, 81626175), (3, 27208725), (5, 16325235), (9, 9069575), (15, 5441745), (25, 3265047), (45, 1813915), (75, 1088349), (225, 362783), (409, 199575), (887, 92025), (1227, 66525), (2045, 39915), (2661, 30675), (3681, 22175), (4435, 18405), (6135, 13305), (7983, 10225)]