81269721

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{14779}}^1$

素因数の和:14845

約数の個数: 24

約数和(自身を含む): 129118080

約数和(自身を除く): 47848359

約数列:

[1, 3, 9, 13, 39, 47, 117, 141, 423, 611, 1833, 5499, 14779, 44337, 133011, 192127, 576381, 694613, 1729143, 2083839, 6251517, 9029969, 27089907, 81269721]

約数ペア:

[(1, 81269721), (3, 27089907), (9, 9029969), (13, 6251517), (39, 2083839), (47, 1729143), (117, 694613), (141, 576381), (423, 192127), (611, 133011), (1833, 44337), (5499, 14779)]