15216981

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{1619}}^1$

素因数の和:1876

約数の個数: 16

約数和(自身を含む): 21954240

約数和(自身を除く): 6737259

約数列:

[1, 3, 13, 39, 241, 723, 1619, 3133, 4857, 9399, 21047, 63141, 390179, 1170537, 5072327, 15216981]

約数ペア:

[(1, 15216981), (3, 5072327), (13, 1170537), (39, 390179), (241, 63141), (723, 21047), (1619, 9399), (3133, 4857)]