247974237

素因数分解:

$3^3\times 7^1\times {\mathrm{109}}^1\times {\mathrm{12037}}^1$

素因数の和:12162

約数の個数: 32

約数和(自身を含む): 423737600

約数和(自身を除く): 175763363

約数列:

[1, 3, 7, 9, 21, 27, 63, 109, 189, 327, 763, 981, 2289, 2943, 6867, 12037, 20601, 36111, 84259, 108333, 252777, 324999, 758331, 1312033, 2274993, 3936099, 9184231, 11808297, 27552693, 35424891, 82658079, 247974237]

約数ペア:

[(1, 247974237), (3, 82658079), (7, 35424891), (9, 27552693), (21, 11808297), (27, 9184231), (63, 3936099), (109, 2274993), (189, 1312033), (327, 758331), (763, 324999), (981, 252777), (2289, 108333), (2943, 84259), (6867, 36111), (12037, 20601)]