12787677

素因数分解:

$3^2\times 7^2\times {\mathrm{107}}^1\times {\mathrm{271}}^1$

素因数の和:398

約数の個数: 36

約数和(自身を含む): 21767616

約数和(自身を除く): 8979939

約数列:

[1, 3, 7, 9, 21, 49, 63, 107, 147, 271, 321, 441, 749, 813, 963, 1897, 2247, 2439, 5243, 5691, 6741, 13279, 15729, 17073, 28997, 39837, 47187, 86991, 119511, 202979, 260973, 608937, 1420853, 1826811, 4262559, 12787677]

約数ペア:

[(1, 12787677), (3, 4262559), (7, 1826811), (9, 1420853), (21, 608937), (49, 260973), (63, 202979), (107, 119511), (147, 86991), (271, 47187), (321, 39837), (441, 28997), (749, 17073), (813, 15729), (963, 13279), (1897, 6741), (2247, 5691), (2439, 5243)]