12780495567

素因数分解:

$3^2\times 7^1\times {\mathrm{877}}^1\times {\mathrm{231317}}^1$

素因数の和:232207

約数の個数: 24

約数和(自身を含む): 21122109216

約数和(自身を除く): 8341613649

約数列:

[1, 3, 7, 9, 21, 63, 877, 2631, 6139, 7893, 18417, 55251, 231317, 693951, 1619219, 2081853, 4857657, 14572971, 202865009, 608595027, 1420055063, 1825785081, 4260165189, 12780495567]

約数ペア:

[(1, 12780495567), (3, 4260165189), (7, 1825785081), (9, 1420055063), (21, 608595027), (63, 202865009), (877, 14572971), (2631, 4857657), (6139, 2081853), (7893, 1619219), (18417, 693951), (55251, 231317)]