80821575

素因数分解:

$3^2\times 5^2\times {\mathrm{359207}}^1$

素因数の和:359223

約数の個数: 18

約数和(自身を含む): 144760824

約数和(自身を除く): 63939249

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 359207, 1077621, 1796035, 3232863, 5388105, 8980175, 16164315, 26940525, 80821575]

約数ペア:

[(1, 80821575), (3, 26940525), (5, 16164315), (9, 8980175), (15, 5388105), (25, 3232863), (45, 1796035), (75, 1077621), (225, 359207)]