81247397

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{853}}^1\times {\mathrm{1237}}^1$

素因数の和:2108

約数の個数: 16

約数和(自身を含む): 101496192

約数和(自身を除く): 20248795

約数列:

[1, 7, 11, 77, 853, 1237, 5971, 8659, 9383, 13607, 65681, 95249, 1055161, 7386127, 11606771, 81247397]

約数ペア:

[(1, 81247397), (7, 11606771), (11, 7386127), (77, 1055161), (853, 95249), (1237, 65681), (5971, 13607), (8659, 9383)]