719781315

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{61441}}^1$

素因数の和:61531

約数の個数: 32

約数和(自身を含む): 1274061312

約数和(自身を除く): 554279997

約数列:

[1, 3, 5, 11, 15, 33, 55, 71, 165, 213, 355, 781, 1065, 2343, 3905, 11715, 61441, 184323, 307205, 675851, 921615, 2027553, 3379255, 4362311, 10137765, 13086933, 21811555, 47985421, 65434665, 143956263, 239927105, 719781315]

約数ペア:

[(1, 719781315), (3, 239927105), (5, 143956263), (11, 65434665), (15, 47985421), (33, 21811555), (55, 13086933), (71, 10137765), (165, 4362311), (213, 3379255), (355, 2027553), (781, 921615), (1065, 675851), (2343, 307205), (3905, 184323), (11715, 61441)]