205102737

素因数分解:

$3^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{19973}}^1$

素因数の和:20149

約数の個数: 24

約数和(自身を含む): 340676544

約数和(自身を除く): 135573807

約数列:

[1, 3, 7, 9, 21, 63, 163, 489, 1141, 1467, 3423, 10269, 19973, 59919, 139811, 179757, 419433, 1258299, 3255599, 9766797, 22789193, 29300391, 68367579, 205102737]

約数ペア:

[(1, 205102737), (3, 68367579), (7, 29300391), (9, 22789193), (21, 9766797), (63, 3255599), (163, 1258299), (489, 419433), (1141, 179757), (1467, 139811), (3423, 59919), (10269, 19973)]