78489

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:51

約数の個数: 24

約数和(自身を含む): 131040

約数和(自身を除く): 52551

約数列:

[1, 3, 9, 17, 19, 27, 51, 57, 81, 153, 171, 243, 323, 459, 513, 969, 1377, 1539, 2907, 4131, 4617, 8721, 26163, 78489]

約数ペア:

[(1, 78489), (3, 26163), (9, 8721), (17, 4617), (19, 4131), (27, 2907), (51, 1539), (57, 1377), (81, 969), (153, 513), (171, 459), (243, 323)]