26657019

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{17321}}^1$

素因数の和:17352

約数の個数: 20

約数和(自身を含む): 41919240

約数和(自身を除く): 15262221

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 17321, 51963, 155889, 329099, 467667, 987297, 1403001, 2961891, 8885673, 26657019]

約数ペア:

[(1, 26657019), (3, 8885673), (9, 2961891), (19, 1403001), (27, 987297), (57, 467667), (81, 329099), (171, 155889), (513, 51963), (1539, 17321)]