77564385

素因数分解:

$3^5\times 5^1\times {\mathrm{63839}}^1$

素因数の和:63859

約数の個数: 24

約数和(自身を含む): 139426560

約数和(自身を除く): 61862175

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 63839, 191517, 319195, 574551, 957585, 1723653, 2872755, 5170959, 8618265, 15512877, 25854795, 77564385]

約数ペア:

[(1, 77564385), (3, 25854795), (5, 15512877), (9, 8618265), (15, 5170959), (27, 2872755), (45, 1723653), (81, 957585), (135, 574551), (243, 319195), (405, 191517), (1215, 63839)]