1222020009

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{668867}}^1$

素因数の和:668909

約数の個数: 24

約数和(自身を含む): 2086868160

約数和(自身を除く): 864848151

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 668867, 2006601, 4682069, 6019803, 14046207, 19397143, 42138621, 58191429, 135780001, 174574287, 407340003, 1222020009]

約数ペア:

[(1, 1222020009), (3, 407340003), (7, 174574287), (9, 135780001), (21, 58191429), (29, 42138621), (63, 19397143), (87, 14046207), (203, 6019803), (261, 4682069), (609, 2006601), (1827, 668867)]