77991963

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{90583}}^1$

素因数の和:90634

約数の個数: 16

約数和(自身を含む): 121744896

約数和(自身を除く): 43752933

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 90583, 271749, 634081, 1902243, 3713903, 11141709, 25997321, 77991963]

約数ペア:

[(1, 77991963), (3, 25997321), (7, 11141709), (21, 3713903), (41, 1902243), (123, 634081), (287, 271749), (861, 90583)]