12770289

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{3323}}^1$

素因数の和:3397

約数の個数: 24

約数和(自身を含む): 21433152

約数和(自身を除く): 8662863

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3323, 3843, 9969, 23261, 29907, 69783, 202703, 209349, 608109, 1418921, 1824327, 4256763, 12770289]

約数ペア:

[(1, 12770289), (3, 4256763), (7, 1824327), (9, 1418921), (21, 608109), (61, 209349), (63, 202703), (183, 69783), (427, 29907), (549, 23261), (1281, 9969), (3323, 3843)]