5638005

素因数分解:

$3^4\times 5^1\times {\mathrm{13921}}^1$

素因数の和:13938

約数の個数: 20

約数和(自身を含む): 10107372

約数和(自身を除く): 4469367

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 13921, 41763, 69605, 125289, 208815, 375867, 626445, 1127601, 1879335, 5638005]

約数ペア:

[(1, 5638005), (3, 1879335), (5, 1127601), (9, 626445), (15, 375867), (27, 208815), (45, 125289), (81, 69605), (135, 41763), (405, 13921)]