2617839

素因数分解:

$3^9\times 7^1\times {\mathrm{19}}^1$

素因数の和:53

約数の個数: 40

約数和(自身を含む): 4723840

約数和(自身を除く): 2106001

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, 96957, 124659, 137781, 290871, 373977, 872613, 2617839]

約数ペア:

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