7212261

素因数分解:

$3^1\times 7^3\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:230

約数の個数: 32

約数和(自身を含む): 11545600

約数和(自身を除く): 4333339

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 163, 301, 343, 489, 903, 1029, 1141, 2107, 3423, 6321, 7009, 7987, 14749, 21027, 23961, 44247, 49063, 55909, 147189, 167727, 343441, 1030323, 2404087, 7212261]

約数ペア:

[(1, 7212261), (3, 2404087), (7, 1030323), (21, 343441), (43, 167727), (49, 147189), (129, 55909), (147, 49063), (163, 44247), (301, 23961), (343, 21027), (489, 14749), (903, 7987), (1029, 7009), (1141, 6321), (2107, 3423)]