978129

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{2131}}^1$

素因数の和:2157

約数の個数: 16

約数和(自身を含む): 1535040

約数和(自身を除く): 556911

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 2131, 6393, 19179, 36227, 57537, 108681, 326043, 978129]

約数ペア:

[(1, 978129), (3, 326043), (9, 108681), (17, 57537), (27, 36227), (51, 19179), (153, 6393), (459, 2131)]