13811091

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{1999}}^1$

素因数の和:2063

約数の個数: 24

約数和(自身を含む): 21888000

約数和(自身を除く): 8076909

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 329, 987, 1999, 2303, 5997, 6909, 13993, 41979, 93953, 97951, 281859, 293853, 657671, 1973013, 4603697, 13811091]

約数ペア:

[(1, 13811091), (3, 4603697), (7, 1973013), (21, 657671), (47, 293853), (49, 281859), (141, 97951), (147, 93953), (329, 41979), (987, 13993), (1999, 6909), (2303, 5997)]