68681925

素因数分解:

$3^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2609}}^1$

素因数の和:2644

約数の個数: 60

約数和(自身を含む): 137061540

約数和(自身を除く): 68379615

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 81, 117, 135, 195, 225, 325, 351, 405, 585, 675, 975, 1053, 1755, 2025, 2609, 2925, 5265, 7827, 8775, 13045, 23481, 26325, 33917, 39135, 65225, 70443, 101751, 117405, 169585, 195675, 211329, 305253, 352215, 508755, 587025, 847925, 915759, 1056645, 1526265, 1761075, 2543775, 2747277, 4578795, 5283225, 7631325, 13736385, 22893975, 68681925]

約数ペア:

[(1, 68681925), (3, 22893975), (5, 13736385), (9, 7631325), (13, 5283225), (15, 4578795), (25, 2747277), (27, 2543775), (39, 1761075), (45, 1526265), (65, 1056645), (75, 915759), (81, 847925), (117, 587025), (135, 508755), (195, 352215), (225, 305253), (325, 211329), (351, 195675), (405, 169585), (585, 117405), (675, 101751), (975, 70443), (1053, 65225), (1755, 39135), (2025, 33917), (2609, 26325), (2925, 23481), (5265, 13045), (7827, 8775)]