128776815

素因数分解:

$3^2\times 5^1\times {\mathrm{1259}}^1\times {\mathrm{2273}}^1$

素因数の和:3543

約数の個数: 24

約数和(自身を含む): 223488720

約数和(自身を除く): 94711905

約数列:

[1, 3, 5, 9, 15, 45, 1259, 2273, 3777, 6295, 6819, 11331, 11365, 18885, 20457, 34095, 56655, 102285, 2861707, 8585121, 14308535, 25755363, 42925605, 128776815]

約数ペア:

[(1, 128776815), (3, 42925605), (5, 25755363), (9, 14308535), (15, 8585121), (45, 2861707), (1259, 102285), (2273, 56655), (3777, 34095), (6295, 20457), (6819, 18885), (11331, 11365)]