17498187

素因数分解:

$3^9\times 7^1\times {\mathrm{127}}^1$

素因数の和:161

約数の個数: 40

約数和(自身を含む): 30232576

約数和(自身を除く): 12734389

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 127, 189, 243, 381, 567, 729, 889, 1143, 1701, 2187, 2667, 3429, 5103, 6561, 8001, 10287, 15309, 19683, 24003, 30861, 45927, 72009, 92583, 137781, 216027, 277749, 648081, 833247, 1944243, 2499741, 5832729, 17498187]

約数ペア:

[(1, 17498187), (3, 5832729), (7, 2499741), (9, 1944243), (21, 833247), (27, 648081), (63, 277749), (81, 216027), (127, 137781), (189, 92583), (243, 72009), (381, 45927), (567, 30861), (729, 24003), (889, 19683), (1143, 15309), (1701, 10287), (2187, 8001), (2667, 6561), (3429, 5103)]