68540985

素因数分解:

$3^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2039}}^1$

素因数の和:2139

約数の個数: 40

約数和(自身を含む): 124407360

約数和(自身を除く): 55866375

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 83, 135, 249, 405, 415, 747, 1245, 2039, 2241, 3735, 6117, 6723, 10195, 11205, 18351, 30585, 33615, 55053, 91755, 165159, 169237, 275265, 507711, 825795, 846185, 1523133, 2538555, 4569399, 7615665, 13708197, 22846995, 68540985]

約数ペア:

[(1, 68540985), (3, 22846995), (5, 13708197), (9, 7615665), (15, 4569399), (27, 2538555), (45, 1523133), (81, 846185), (83, 825795), (135, 507711), (249, 275265), (405, 169237), (415, 165159), (747, 91755), (1245, 55053), (2039, 33615), (2241, 30585), (3735, 18351), (6117, 11205), (6723, 10195)]