15664995

素因数分解:

$3^5\times 5^1\times {\mathrm{12893}}^1$

素因数の和:12913

約数の個数: 24

約数和(自身を含む): 28160496

約数和(自身を除く): 12495501

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 12893, 38679, 64465, 116037, 193395, 348111, 580185, 1044333, 1740555, 3132999, 5221665, 15664995]

約数ペア:

[(1, 15664995), (3, 5221665), (5, 3132999), (9, 1740555), (15, 1044333), (27, 580185), (45, 348111), (81, 193395), (135, 116037), (243, 64465), (405, 38679), (1215, 12893)]