268965

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:193

約数の個数: 24

約数和(自身を含む): 480480

約数和(自身を除く): 211515

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 139, 215, 387, 417, 645, 695, 1251, 1935, 2085, 5977, 6255, 17931, 29885, 53793, 89655, 268965]

約数ペア:

[(1, 268965), (3, 89655), (5, 53793), (9, 29885), (15, 17931), (43, 6255), (45, 5977), (129, 2085), (139, 1935), (215, 1251), (387, 695), (417, 645)]