129727647

素因数分解:

$3^2\times 7^2\times {\mathrm{294167}}^1$

素因数の和:294187

約数の個数: 18

約数和(自身を含む): 217978488

約数和(自身を除く): 88250841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 294167, 882501, 2059169, 2647503, 6177507, 14414183, 18532521, 43242549, 129727647]

約数ペア:

[(1, 129727647), (3, 43242549), (7, 18532521), (9, 14414183), (21, 6177507), (49, 2647503), (63, 2059169), (147, 882501), (441, 294167)]