16587207

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:229

約数の個数: 64

約数和(自身を含む): 31144960

約数和(自身を除く): 14557753

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 43, 63, 91, 117, 129, 157, 189, 273, 301, 351, 387, 471, 559, 819, 903, 1099, 1161, 1413, 1677, 2041, 2457, 2709, 3297, 3913, 4239, 5031, 6123, 6751, 8127, 9891, 11739, 14287, 15093, 18369, 20253, 29673, 35217, 42861, 47257, 55107, 60759, 87763, 105651, 128583, 141771, 182277, 263289, 385749, 425313, 614341, 789867, 1275939, 1843023, 2369601, 5529069, 16587207]

約数ペア:

[(1, 16587207), (3, 5529069), (7, 2369601), (9, 1843023), (13, 1275939), (21, 789867), (27, 614341), (39, 425313), (43, 385749), (63, 263289), (91, 182277), (117, 141771), (129, 128583), (157, 105651), (189, 87763), (273, 60759), (301, 55107), (351, 47257), (387, 42861), (471, 35217), (559, 29673), (819, 20253), (903, 18369), (1099, 15093), (1161, 14287), (1413, 11739), (1677, 9891), (2041, 8127), (2457, 6751), (2709, 6123), (3297, 5031), (3913, 4239)]