221448393

素因数分解:

$3^2\times {\mathrm{23}}^2\times {\mathrm{193}}^1\times {\mathrm{241}}^1$

素因数の和:486

約数の個数: 36

約数和(自身を含む): 337509172

約数和(自身を除く): 116060779

約数列:

[1, 3, 9, 23, 69, 193, 207, 241, 529, 579, 723, 1587, 1737, 2169, 4439, 4761, 5543, 13317, 16629, 39951, 46513, 49887, 102097, 127489, 139539, 306291, 382467, 418617, 918873, 1069799, 1147401, 3209397, 9628191, 24605377, 73816131, 221448393]

約数ペア:

[(1, 221448393), (3, 73816131), (9, 24605377), (23, 9628191), (69, 3209397), (193, 1147401), (207, 1069799), (241, 918873), (529, 418617), (579, 382467), (723, 306291), (1587, 139539), (1737, 127489), (2169, 102097), (4439, 49887), (4761, 46513), (5543, 39951), (13317, 16629)]