25839729

素因数分解:

$3^4\times {\mathrm{149}}^1\times {\mathrm{2141}}^1$

素因数の和:2302

約数の個数: 20

約数和(自身を含む): 38877300

約数和(自身を除く): 13037571

約数列:

[1, 3, 9, 27, 81, 149, 447, 1341, 2141, 4023, 6423, 12069, 19269, 57807, 173421, 319009, 957027, 2871081, 8613243, 25839729]

約数ペア:

[(1, 25839729), (3, 8613243), (9, 2871081), (27, 957027), (81, 319009), (149, 173421), (447, 57807), (1341, 19269), (2141, 12069), (4023, 6423)]