81132885

素因数分解:

$3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{13763}}^1$

素因数の和:13905

約数の個数: 24

約数和(自身を含む): 141714144

約数和(自身を除く): 60581259

約数列:

[1, 3, 5, 9, 15, 45, 131, 393, 655, 1179, 1965, 5895, 13763, 41289, 68815, 123867, 206445, 619335, 1802953, 5408859, 9014765, 16226577, 27044295, 81132885]

約数ペア:

[(1, 81132885), (3, 27044295), (5, 16226577), (9, 9014765), (15, 5408859), (45, 1802953), (131, 619335), (393, 206445), (655, 123867), (1179, 68815), (1965, 41289), (5895, 13763)]