12880089

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{809}}^1$

素因数の和:905

約数の個数: 24

約数和(自身を含む): 19585800

約数和(自身を除く): 6705711

約数列:

[1, 3, 9, 29, 61, 87, 183, 261, 549, 809, 1769, 2427, 5307, 7281, 15921, 23461, 49349, 70383, 148047, 211149, 444141, 1431121, 4293363, 12880089]

約数ペア:

[(1, 12880089), (3, 4293363), (9, 1431121), (29, 444141), (61, 211149), (87, 148047), (183, 70383), (261, 49349), (549, 23461), (809, 15921), (1769, 7281), (2427, 5307)]