2021189781

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{163487}}^1$

素因数の和:163820

約数の個数: 16

約数和(自身を含む): 2911394304

約数和(自身を除く): 890204523

約数列:

[1, 3, 13, 39, 317, 951, 4121, 12363, 163487, 490461, 2125331, 6375993, 51825379, 155476137, 673729927, 2021189781]

約数ペア:

[(1, 2021189781), (3, 673729927), (13, 155476137), (39, 51825379), (317, 6375993), (951, 2125331), (4121, 490461), (12363, 163487)]