38693781

素因数分解:

$3^4\times 7^2\times {\mathrm{9749}}^1$

素因数の和:9775

約数の個数: 30

約数和(自身を含む): 67245750

約数和(自身を除く): 28551969

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 9749, 29247, 68243, 87741, 204729, 263223, 477701, 614187, 789669, 1433103, 1842561, 4299309, 5527683, 12897927, 38693781]

約数ペア:

[(1, 38693781), (3, 12897927), (7, 5527683), (9, 4299309), (21, 1842561), (27, 1433103), (49, 789669), (63, 614187), (81, 477701), (147, 263223), (189, 204729), (441, 87741), (567, 68243), (1323, 29247), (3969, 9749)]