1939545

素因数分解:

$3^4\times 5^1\times {\mathrm{4789}}^1$

素因数の和:4806

約数の個数: 20

約数和(自身を含む): 3477540

約数和(自身を除く): 1537995

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 4789, 14367, 23945, 43101, 71835, 129303, 215505, 387909, 646515, 1939545]

約数ペア:

[(1, 1939545), (3, 646515), (5, 387909), (9, 215505), (15, 129303), (27, 71835), (45, 43101), (81, 23945), (135, 14367), (405, 4789)]