31237995

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2549}}^1$

素因数の和:2619

約数の個数: 32

約数和(自身を含む): 53856000

約数和(自身を除く): 22618005

約数列:

[1, 3, 5, 15, 19, 43, 57, 95, 129, 215, 285, 645, 817, 2451, 2549, 4085, 7647, 12255, 12745, 38235, 48431, 109607, 145293, 242155, 328821, 548035, 726465, 1644105, 2082533, 6247599, 10412665, 31237995]

約数ペア:

[(1, 31237995), (3, 10412665), (5, 6247599), (15, 2082533), (19, 1644105), (43, 726465), (57, 548035), (95, 328821), (129, 242155), (215, 145293), (285, 109607), (645, 48431), (817, 38235), (2451, 12745), (2549, 12255), (4085, 7647)]