338974209

素因数分解:

$3^2\times 7^3\times {\mathrm{109807}}^1$

素因数の和:109834

約数の個数: 24

約数和(自身を含む): 571001600

約数和(自身を除く): 232027391

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 109807, 329421, 768649, 988263, 2305947, 5380543, 6917841, 16141629, 37663801, 48424887, 112991403, 338974209]

約数ペア:

[(1, 338974209), (3, 112991403), (7, 48424887), (9, 37663801), (21, 16141629), (49, 6917841), (63, 5380543), (147, 2305947), (343, 988263), (441, 768649), (1029, 329421), (3087, 109807)]