643872243

素因数分解:

$3^1\times 7^1\times {\mathrm{6661}}^1\times {\mathrm{4603}}^1$

素因数の和:11274

約数の個数: 16

約数和(自身を含む): 981499136

約数和(自身を除く): 337626893

約数列:

[1, 3, 7, 21, 4603, 6661, 13809, 19983, 32221, 46627, 96663, 139881, 30660583, 91981749, 214624081, 643872243]

約数ペア:

[(1, 643872243), (3, 214624081), (7, 91981749), (21, 30660583), (4603, 139881), (6661, 96663), (13809, 46627), (19983, 32221)]