127976667

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{547}}^1\times {\mathrm{857}}^1$

素因数の和:1427

約数の個数: 32

約数和(自身を含む): 210642432

約数和(自身を除く): 82665765

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 547, 857, 1641, 2571, 3829, 5999, 7111, 11141, 11487, 17997, 21333, 33423, 49777, 77987, 149331, 233961, 468779, 1406337, 3281453, 6094127, 9844359, 18282381, 42658889, 127976667]

約数ペア:

[(1, 127976667), (3, 42658889), (7, 18282381), (13, 9844359), (21, 6094127), (39, 3281453), (91, 1406337), (273, 468779), (547, 233961), (857, 149331), (1641, 77987), (2571, 49777), (3829, 33423), (5999, 21333), (7111, 17997), (11141, 11487)]