72810815

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{27017}}^1$

素因数の和:27047

約数の個数: 24

約数和(自身を含む): 110881872

約数和(自身を除く): 38071057

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 385, 539, 2695, 27017, 135085, 189119, 297187, 945595, 1323833, 1485935, 2080309, 6619165, 10401545, 14562163, 72810815]

約数ペア:

[(1, 72810815), (5, 14562163), (7, 10401545), (11, 6619165), (35, 2080309), (49, 1485935), (55, 1323833), (77, 945595), (245, 297187), (385, 189119), (539, 135085), (2695, 27017)]