2160351

素因数分解:

$3^4\times {\mathrm{149}}^1\times {\mathrm{179}}^1$

素因数の和:340

約数の個数: 20

約数和(自身を含む): 3267000

約数和(自身を除く): 1106649

約数列:

[1, 3, 9, 27, 81, 149, 179, 447, 537, 1341, 1611, 4023, 4833, 12069, 14499, 26671, 80013, 240039, 720117, 2160351]

約数ペア:

[(1, 2160351), (3, 720117), (9, 240039), (27, 80013), (81, 26671), (149, 14499), (179, 12069), (447, 4833), (537, 4023), (1341, 1611)]