1280923209

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{29147}}^1$

素因数の和:29429

約数の個数: 24

約数和(自身を含む): 1955247840

約数和(自身を除く): 674324631

約数列:

[1, 3, 9, 19, 57, 171, 257, 771, 2313, 4883, 14649, 29147, 43947, 87441, 262323, 553793, 1661379, 4984137, 7490779, 22472337, 67417011, 142324801, 426974403, 1280923209]

約数ペア:

[(1, 1280923209), (3, 426974403), (9, 142324801), (19, 67417011), (57, 22472337), (171, 7490779), (257, 4984137), (771, 1661379), (2313, 553793), (4883, 262323), (14649, 87441), (29147, 43947)]