61821891

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{239}}^1\times {\mathrm{701}}^1$

素因数の和:987

約数の個数: 24

約数和(自身を含む): 91990080

約数和(自身を除く): 30168189

約数列:

[1, 3, 9, 41, 123, 239, 369, 701, 717, 2103, 2151, 6309, 9799, 28741, 29397, 86223, 88191, 167539, 258669, 502617, 1507851, 6869099, 20607297, 61821891]

約数ペア:

[(1, 61821891), (3, 20607297), (9, 6869099), (41, 1507851), (123, 502617), (239, 258669), (369, 167539), (701, 88191), (717, 86223), (2103, 29397), (2151, 28741), (6309, 9799)]