81782783991

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1\times {\mathrm{19973}}^1$

素因数の和:20284

約数の個数: 48

約数和(自身を含む): 125036600832

約数和(自身を除く): 43253816841

約数列:

[1, 3, 9, 23, 69, 131, 151, 207, 393, 453, 1179, 1359, 3013, 3473, 9039, 10419, 19781, 19973, 27117, 31257, 59343, 59919, 178029, 179757, 454963, 459379, 1364889, 1378137, 2616463, 3015923, 4094667, 4134411, 7849389, 9047769, 23548167, 27143307, 60178649, 69366229, 180535947, 208098687, 395085913, 541607841, 624296061, 1185257739, 3555773217, 9086975999, 27260927997, 81782783991]

約数ペア:

[(1, 81782783991), (3, 27260927997), (9, 9086975999), (23, 3555773217), (69, 1185257739), (131, 624296061), (151, 541607841), (207, 395085913), (393, 208098687), (453, 180535947), (1179, 69366229), (1359, 60178649), (3013, 27143307), (3473, 23548167), (9039, 9047769), (10419, 7849389), (19781, 4134411), (19973, 4094667), (27117, 3015923), (31257, 2616463), (59343, 1378137), (59919, 1364889), (178029, 459379), (179757, 454963)]