2305359

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:116

約数の個数: 48

約数和(自身を含む): 4173312

約数和(自身を除く): 1867953

約数列:

[1, 3, 7, 9, 21, 23, 37, 43, 63, 69, 111, 129, 161, 207, 259, 301, 333, 387, 483, 777, 851, 903, 989, 1449, 1591, 2331, 2553, 2709, 2967, 4773, 5957, 6923, 7659, 8901, 11137, 14319, 17871, 20769, 33411, 36593, 53613, 62307, 100233, 109779, 256151, 329337, 768453, 2305359]

約数ペア:

[(1, 2305359), (3, 768453), (7, 329337), (9, 256151), (21, 109779), (23, 100233), (37, 62307), (43, 53613), (63, 36593), (69, 33411), (111, 20769), (129, 17871), (161, 14319), (207, 11137), (259, 8901), (301, 7659), (333, 6923), (387, 5957), (483, 4773), (777, 2967), (851, 2709), (903, 2553), (989, 2331), (1449, 1591)]