80486721

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{337}}^1$

素因数の和:590

約数の個数: 48

約数和(自身を含む): 141732864

約数和(自身を除く): 61246143

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 223, 337, 357, 669, 1011, 1071, 1561, 2007, 2359, 3033, 3791, 4683, 5729, 7077, 11373, 14049, 17187, 21231, 26537, 34119, 40103, 51561, 75151, 79611, 120309, 225453, 238833, 360927, 526057, 676359, 1277567, 1578171, 3832701, 4734513, 8942969, 11498103, 26828907, 80486721]

約数ペア:

[(1, 80486721), (3, 26828907), (7, 11498103), (9, 8942969), (17, 4734513), (21, 3832701), (51, 1578171), (63, 1277567), (119, 676359), (153, 526057), (223, 360927), (337, 238833), (357, 225453), (669, 120309), (1011, 79611), (1071, 75151), (1561, 51561), (2007, 40103), (2359, 34119), (3033, 26537), (3791, 21231), (4683, 17187), (5729, 14049), (7077, 11373)]