3781001997

素因数分解:

$3^5\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{7699}}^1$

素因数の和:7804

約数の個数: 48

約数和(自身を含む): 5919513600

約数和(自身を除く): 2138511603

約数列:

[1, 3, 9, 27, 43, 47, 81, 129, 141, 243, 387, 423, 1161, 1269, 2021, 3483, 3807, 6063, 7699, 10449, 11421, 18189, 23097, 54567, 69291, 163701, 207873, 331057, 361853, 491103, 623619, 993171, 1085559, 1870857, 2979513, 3256677, 8938539, 9770031, 15559679, 26815617, 29310093, 46679037, 80446851, 87930279, 140037111, 420111333, 1260333999, 3781001997]

約数ペア:

[(1, 3781001997), (3, 1260333999), (9, 420111333), (27, 140037111), (43, 87930279), (47, 80446851), (81, 46679037), (129, 29310093), (141, 26815617), (243, 15559679), (387, 9770031), (423, 8938539), (1161, 3256677), (1269, 2979513), (2021, 1870857), (3483, 1085559), (3807, 993171), (6063, 623619), (7699, 491103), (10449, 361853), (11421, 331057), (18189, 207873), (23097, 163701), (54567, 69291)]