15216969

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{659}}^1$

素因数の和:884

約数の個数: 16

約数和(自身を含む): 20908800

約数和(自身を除く): 5691831

約数列:

[1, 3, 43, 129, 179, 537, 659, 1977, 7697, 23091, 28337, 85011, 117961, 353883, 5072323, 15216969]

約数ペア:

[(1, 15216969), (3, 5072323), (43, 353883), (129, 117961), (179, 85011), (537, 28337), (659, 23091), (1977, 7697)]