289172349

素因数分解:

$3^4\times {\mathrm{227}}^1\times {\mathrm{15727}}^1$

素因数の和:15966

約数の個数: 20

約数和(自身を含む): 433904064

約数和(自身を除く): 144731715

約数列:

[1, 3, 9, 27, 81, 227, 681, 2043, 6129, 15727, 18387, 47181, 141543, 424629, 1273887, 3570029, 10710087, 32130261, 96390783, 289172349]

約数ペア:

[(1, 289172349), (3, 96390783), (9, 32130261), (27, 10710087), (81, 3570029), (227, 1273887), (681, 424629), (2043, 141543), (6129, 47181), (15727, 18387)]