25728969

素因数分解:

$3^1\times 7^2\times {\mathrm{181}}^1\times {\mathrm{967}}^1$

素因数の和:1165

約数の個数: 24

約数和(自身を含む): 40168128

約数和(自身を除く): 14439159

約数列:

[1, 3, 7, 21, 49, 147, 181, 543, 967, 1267, 2901, 3801, 6769, 8869, 20307, 26607, 47383, 142149, 175027, 525081, 1225189, 3675567, 8576323, 25728969]

約数ペア:

[(1, 25728969), (3, 8576323), (7, 3675567), (21, 1225189), (49, 525081), (147, 175027), (181, 142149), (543, 47383), (967, 26607), (1267, 20307), (2901, 8869), (3801, 6769)]