81176475

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{25171}}^1$

素因数の和:25227

約数の個数: 24

約数和(自身を含む): 137338432

約数和(自身を除く): 56161957

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 3225, 25171, 75513, 125855, 377565, 629275, 1082353, 1887825, 3247059, 5411765, 16235295, 27058825, 81176475]

約数ペア:

[(1, 81176475), (3, 27058825), (5, 16235295), (15, 5411765), (25, 3247059), (43, 1887825), (75, 1082353), (129, 629275), (215, 377565), (645, 125855), (1075, 75513), (3225, 25171)]