81915525

素因数分解:

$3^2\times 5^2\times {\mathrm{364069}}^1$

素因数の和:364085

約数の個数: 18

約数和(自身を含む): 146720210

約数和(自身を除く): 64804685

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 364069, 1092207, 1820345, 3276621, 5461035, 9101725, 16383105, 27305175, 81915525]

約数ペア:

[(1, 81915525), (3, 27305175), (5, 16383105), (9, 9101725), (15, 5461035), (25, 3276621), (45, 1820345), (75, 1092207), (225, 364069)]