30678039

素因数分解:

$3^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{2447}}^1$

素因数の和:2659

約数の個数: 24

約数和(自身を含む): 50918400

約数和(自身を除く): 20240361

約数列:

[1, 3, 7, 9, 21, 63, 199, 597, 1393, 1791, 2447, 4179, 7341, 12537, 17129, 22023, 51387, 154161, 486953, 1460859, 3408671, 4382577, 10226013, 30678039]

約数ペア:

[(1, 30678039), (3, 10226013), (7, 4382577), (9, 3408671), (21, 1460859), (63, 486953), (199, 154161), (597, 51387), (1393, 22023), (1791, 17129), (2447, 12537), (4179, 7341)]