1215671013

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{997}}^1\times {\mathrm{2221}}^1$

素因数の和:3285

約数の個数: 24

約数和(自身を含む): 1787350136

約数和(自身を除く): 571679123

約数列:

[1, 3, 9, 61, 183, 549, 997, 2221, 2991, 6663, 8973, 19989, 60817, 135481, 182451, 406443, 547353, 1219329, 2214337, 6643011, 19929033, 135074557, 405223671, 1215671013]

約数ペア:

[(1, 1215671013), (3, 405223671), (9, 135074557), (61, 19929033), (183, 6643011), (549, 2214337), (997, 1219329), (2221, 547353), (2991, 406443), (6663, 182451), (8973, 135481), (19989, 60817)]