1998718722021

素因数分解:

$3^1\times 7^1\times {\mathrm{4637}}^1\times {\mathrm{20525573}}^1$

素因数の和:20530220

約数の個数: 16

約数和(自身を含む): 3046323590784

約数和(自身を除く): 1047604868763

約数列:

[1, 3, 7, 21, 4637, 13911, 32459, 97377, 20525573, 61576719, 143679011, 431037033, 95177082001, 285531246003, 666239574007, 1998718722021]

約数ペア:

[(1, 1998718722021), (3, 666239574007), (7, 285531246003), (21, 95177082001), (4637, 431037033), (13911, 143679011), (32459, 61576719), (97377, 20525573)]