221625861

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{2381}}^1$

素因数の和:2497

約数の個数: 32

約数和(自身を含む): 329287680

約数和(自身を除く): 107661819

約数列:

[1, 3, 19, 23, 57, 69, 71, 213, 437, 1311, 1349, 1633, 2381, 4047, 4899, 7143, 31027, 45239, 54763, 93081, 135717, 164289, 169051, 507153, 1040497, 3121491, 3211969, 3888173, 9635907, 11664519, 73875287, 221625861]

約数ペア:

[(1, 221625861), (3, 73875287), (19, 11664519), (23, 9635907), (57, 3888173), (69, 3211969), (71, 3121491), (213, 1040497), (437, 507153), (1311, 169051), (1349, 164289), (1633, 135717), (2381, 93081), (4047, 54763), (4899, 45239), (7143, 31027)]