201664161

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{108247}}^1$

素因数の和:108282

約数の個数: 20

約数和(自身を含む): 314352192

約数和(自身を除く): 112688031

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 108247, 324741, 974223, 2489681, 2922669, 7469043, 8768007, 22407129, 67221387, 201664161]

約数ペア:

[(1, 201664161), (3, 67221387), (9, 22407129), (23, 8768007), (27, 7469043), (69, 2922669), (81, 2489681), (207, 974223), (621, 324741), (1863, 108247)]