16923699

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1$

素因数の和:392

約数の個数: 48

約数和(自身を含む): 29003520

約数和(自身を除く): 12079821

約数列:

[1, 3, 9, 13, 19, 23, 39, 57, 69, 117, 171, 207, 247, 299, 331, 437, 741, 897, 993, 1311, 2223, 2691, 2979, 3933, 4303, 5681, 6289, 7613, 12909, 17043, 18867, 22839, 38727, 51129, 56601, 68517, 81757, 98969, 144647, 245271, 296907, 433941, 735813, 890721, 1301823, 1880411, 5641233, 16923699]

約数ペア:

[(1, 16923699), (3, 5641233), (9, 1880411), (13, 1301823), (19, 890721), (23, 735813), (39, 433941), (57, 296907), (69, 245271), (117, 144647), (171, 98969), (207, 81757), (247, 68517), (299, 56601), (331, 51129), (437, 38727), (741, 22839), (897, 18867), (993, 17043), (1311, 12909), (2223, 7613), (2691, 6289), (2979, 5681), (3933, 4303)]