63855945

素因数分解:

$3^4\times 5^1\times {\mathrm{157669}}^1$

素因数の和:157686

約数の個数: 20

約数和(自身を含む): 114468420

約数和(自身を除く): 50612475

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 157669, 473007, 788345, 1419021, 2365035, 4257063, 7095105, 12771189, 21285315, 63855945]

約数ペア:

[(1, 63855945), (3, 21285315), (5, 12771189), (9, 7095105), (15, 4257063), (27, 2365035), (45, 1419021), (81, 788345), (135, 473007), (405, 157669)]