12639447

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{613}}^1$

素因数の和:727

約数の個数: 24

約数和(自身を含む): 19156800

約数和(自身を除く): 6517353

約数列:

[1, 3, 9, 29, 79, 87, 237, 261, 613, 711, 1839, 2291, 5517, 6873, 17777, 20619, 48427, 53331, 145281, 159993, 435843, 1404383, 4213149, 12639447]

約数ペア:

[(1, 12639447), (3, 4213149), (9, 1404383), (29, 435843), (79, 159993), (87, 145281), (237, 53331), (261, 48427), (613, 20619), (711, 17777), (1839, 6873), (2291, 5517)]