12456381

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31219}}^1$

素因数の和:31248

約数の個数: 16

約数和(自身を含む): 19980800

約数和(自身を除く): 7524419

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 31219, 93657, 218533, 593161, 655599, 1779483, 4152127, 12456381]

約数ペア:

[(1, 12456381), (3, 4152127), (7, 1779483), (19, 655599), (21, 593161), (57, 218533), (133, 93657), (399, 31219)]