1366533

素因数分解:

$3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:321

約数の個数: 24

約数和(自身を含む): 2288000

約数和(自身を除く): 921467

約数列:

[1, 3, 7, 9, 21, 63, 109, 199, 327, 597, 763, 981, 1393, 1791, 2289, 4179, 6867, 12537, 21691, 65073, 151837, 195219, 455511, 1366533]

約数ペア:

[(1, 1366533), (3, 455511), (7, 195219), (9, 151837), (21, 65073), (63, 21691), (109, 12537), (199, 6867), (327, 4179), (597, 2289), (763, 1791), (981, 1393)]