7853517

素因数分解:

$3^{10}\times 7^1\times {\mathrm{19}}^1$

素因数の和:56

約数の個数: 44

約数和(自身を含む): 14171680

約数和(自身を除く): 6318163

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 133, 171, 189, 243, 399, 513, 567, 729, 1197, 1539, 1701, 2187, 3591, 4617, 5103, 6561, 10773, 13851, 15309, 19683, 32319, 41553, 45927, 59049, 96957, 124659, 137781, 290871, 373977, 413343, 872613, 1121931, 2617839, 7853517]

約数ペア:

[(1, 7853517), (3, 2617839), (7, 1121931), (9, 872613), (19, 413343), (21, 373977), (27, 290871), (57, 137781), (63, 124659), (81, 96957), (133, 59049), (171, 45927), (189, 41553), (243, 32319), (399, 19683), (513, 15309), (567, 13851), (729, 10773), (1197, 6561), (1539, 5103), (1701, 4617), (2187, 3591)]