123277791

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{1607}}^1$

素因数の和:1911

約数の個数: 32

約数和(自身を含む): 203148288

約数和(自身を除く): 79870497

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 281, 843, 1607, 1967, 3653, 4821, 5901, 10959, 11249, 20891, 25571, 33747, 62673, 76713, 146237, 438711, 451567, 1354701, 3160969, 5870371, 9482907, 17611113, 41092597, 123277791]

約数ペア:

[(1, 123277791), (3, 41092597), (7, 17611113), (13, 9482907), (21, 5870371), (39, 3160969), (91, 1354701), (273, 451567), (281, 438711), (843, 146237), (1607, 76713), (1967, 62673), (3653, 33747), (4821, 25571), (5901, 20891), (10959, 11249)]