551325747

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{10009}}^1$

素因数の和:10123

約数の個数: 32

約数和(自身を含む): 873832960

約数和(自身を除く): 322507213

約数列:

[1, 3, 7, 21, 43, 61, 129, 183, 301, 427, 903, 1281, 2623, 7869, 10009, 18361, 30027, 55083, 70063, 210189, 430387, 610549, 1291161, 1831647, 3012709, 4273843, 9038127, 12821529, 26253607, 78760821, 183775249, 551325747]

約数ペア:

[(1, 551325747), (3, 183775249), (7, 78760821), (21, 26253607), (43, 12821529), (61, 9038127), (129, 4273843), (183, 3012709), (301, 1831647), (427, 1291161), (903, 610549), (1281, 430387), (2623, 210189), (7869, 70063), (10009, 55083), (18361, 30027)]