1915245

素因数分解:

$3^4\times 5^1\times {\mathrm{4729}}^1$

素因数の和:4746

約数の個数: 20

約数和(自身を含む): 3433980

約数和(自身を除く): 1518735

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 4729, 14187, 23645, 42561, 70935, 127683, 212805, 383049, 638415, 1915245]

約数ペア:

[(1, 1915245), (3, 638415), (5, 383049), (9, 212805), (15, 127683), (27, 70935), (45, 42561), (81, 23645), (135, 14187), (405, 4729)]