397421805

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1153}}^1\times {\mathrm{2089}}^1$

素因数の和:3261

約数の個数: 32

約数和(自身を含む): 694615680

約数和(自身を除く): 297193875

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 1153, 2089, 3459, 5765, 6267, 10445, 12683, 17295, 22979, 31335, 38049, 63415, 68937, 114895, 190245, 344685, 2408617, 7225851, 12043085, 26494787, 36129255, 79484361, 132473935, 397421805]

約数ペア:

[(1, 397421805), (3, 132473935), (5, 79484361), (11, 36129255), (15, 26494787), (33, 12043085), (55, 7225851), (165, 2408617), (1153, 344685), (2089, 190245), (3459, 114895), (5765, 68937), (6267, 63415), (10445, 38049), (12683, 31335), (17295, 22979)]