72175905

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1669}}^1$

素因数の和:1742

約数の個数: 36

約数和(自身を含む): 129348180

約数和(自身を除く): 57172275

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 961, 1395, 1669, 2883, 4805, 5007, 8345, 8649, 14415, 15021, 25035, 43245, 51739, 75105, 155217, 258695, 465651, 776085, 1603909, 2328255, 4811727, 8019545, 14435181, 24058635, 72175905]

約数ペア:

[(1, 72175905), (3, 24058635), (5, 14435181), (9, 8019545), (15, 4811727), (31, 2328255), (45, 1603909), (93, 776085), (155, 465651), (279, 258695), (465, 155217), (961, 75105), (1395, 51739), (1669, 43245), (2883, 25035), (4805, 15021), (5007, 14415), (8345, 8649)]