86988699

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1$

素因数の和:416

約数の個数: 48

約数和(自身を含む): 148591872

約数和(自身を除く): 61603173

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 163, 197, 301, 387, 489, 591, 903, 1141, 1379, 1467, 1773, 2709, 3423, 4137, 7009, 8471, 10269, 12411, 21027, 25413, 32111, 49063, 59297, 63081, 76239, 96333, 147189, 177891, 224777, 288999, 441567, 533673, 674331, 1380773, 2022993, 4142319, 9665411, 12426957, 28996233, 86988699]

約数ペア:

[(1, 86988699), (3, 28996233), (7, 12426957), (9, 9665411), (21, 4142319), (43, 2022993), (63, 1380773), (129, 674331), (163, 533673), (197, 441567), (301, 288999), (387, 224777), (489, 177891), (591, 147189), (903, 96333), (1141, 76239), (1379, 63081), (1467, 59297), (1773, 49063), (2709, 32111), (3423, 25413), (4137, 21027), (7009, 12411), (8471, 10269)]