206821083

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:304

約数の個数: 64

約数和(自身を含む): 344604672

約数和(自身を除く): 137783589

約数列:

[1, 3, 7, 21, 23, 37, 69, 71, 111, 161, 163, 213, 259, 483, 489, 497, 777, 851, 1141, 1491, 1633, 2553, 2627, 3423, 3749, 4899, 5957, 6031, 7881, 11247, 11431, 11573, 17871, 18093, 18389, 26243, 34293, 34719, 42217, 55167, 60421, 78729, 81011, 126651, 138713, 181263, 243033, 266179, 416139, 422947, 428201, 798537, 970991, 1268841, 1284603, 1863253, 2912973, 2997407, 5589759, 8992221, 9848623, 29545869, 68940361, 206821083]

約数ペア:

[(1, 206821083), (3, 68940361), (7, 29545869), (21, 9848623), (23, 8992221), (37, 5589759), (69, 2997407), (71, 2912973), (111, 1863253), (161, 1284603), (163, 1268841), (213, 970991), (259, 798537), (483, 428201), (489, 422947), (497, 416139), (777, 266179), (851, 243033), (1141, 181263), (1491, 138713), (1633, 126651), (2553, 81011), (2627, 78729), (3423, 60421), (3749, 55167), (4899, 42217), (5957, 34719), (6031, 34293), (7881, 26243), (11247, 18389), (11431, 18093), (11573, 17871)]