12891489

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{541}}^1$

素因数の和:617

約数の個数: 24

約数和(自身を含む): 19043712

約数和(自身を除く): 6152223

約数列:

[1, 3, 13, 39, 47, 141, 169, 507, 541, 611, 1623, 1833, 7033, 7943, 21099, 23829, 25427, 76281, 91429, 274287, 330551, 991653, 4297163, 12891489]

約数ペア:

[(1, 12891489), (3, 4297163), (13, 991653), (39, 330551), (47, 274287), (141, 91429), (169, 76281), (507, 25427), (541, 23829), (611, 21099), (1623, 7943), (1833, 7033)]