220590909

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{318313}}^1$

素因数の和:318337

約数の個数: 24

約数和(自身を含む): 397255872

約数和(自身を除く): 176664963

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 318313, 954939, 2228191, 2864817, 3501443, 6684573, 10504329, 20053719, 24510101, 31512987, 73530303, 220590909]

約数ペア:

[(1, 220590909), (3, 73530303), (7, 31512987), (9, 24510101), (11, 20053719), (21, 10504329), (33, 6684573), (63, 3501443), (77, 2864817), (99, 2228191), (231, 954939), (693, 318313)]