90621279

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{75707}}^1$

素因数の和:75739

約数の個数: 24

約数和(自身を含む): 157472640

約数和(自身を除く): 66851361

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 75707, 227121, 529949, 681363, 1438433, 1589847, 4315299, 4769541, 10069031, 12945897, 30207093, 90621279]

約数ペア:

[(1, 90621279), (3, 30207093), (7, 12945897), (9, 10069031), (19, 4769541), (21, 4315299), (57, 1589847), (63, 1438433), (133, 681363), (171, 529949), (399, 227121), (1197, 75707)]