81239809

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1\times {\mathrm{1181}}^1$

素因数の和:1536

約数の個数: 16

約数和(自身を含む): 96224256

約数和(自身を除く): 14984447

約数列:

[1, 7, 31, 217, 317, 1181, 2219, 8267, 9827, 36611, 68789, 256277, 374377, 2620639, 11605687, 81239809]

約数ペア:

[(1, 81239809), (7, 11605687), (31, 2620639), (217, 374377), (317, 256277), (1181, 68789), (2219, 36611), (8267, 9827)]