13256943

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{277}}^1$

素因数の和:383

約数の個数: 32

約数和(自身を含む): 21136896

約数和(自身を除く): 7879953

約数列:

[1, 3, 7, 21, 43, 53, 129, 159, 277, 301, 371, 831, 903, 1113, 1939, 2279, 5817, 6837, 11911, 14681, 15953, 35733, 44043, 47859, 83377, 102767, 250131, 308301, 631283, 1893849, 4418981, 13256943]

約数ペア:

[(1, 13256943), (3, 4418981), (7, 1893849), (21, 631283), (43, 308301), (53, 250131), (129, 102767), (159, 83377), (277, 47859), (301, 44043), (371, 35733), (831, 15953), (903, 14681), (1113, 11911), (1939, 6837), (2279, 5817)]