2001551139

素因数分解:

$3^2\times 7^1\times {\mathrm{563}}^1\times {\mathrm{56431}}^1$

素因数の和:57007

約数の個数: 24

約数和(自身を含む): 3310075392

約数和(自身を除く): 1308524253

約数列:

[1, 3, 7, 9, 21, 63, 563, 1689, 3941, 5067, 11823, 35469, 56431, 169293, 395017, 507879, 1185051, 3555153, 31770653, 95311959, 222394571, 285935877, 667183713, 2001551139]

約数ペア:

[(1, 2001551139), (3, 667183713), (7, 285935877), (9, 222394571), (21, 95311959), (63, 31770653), (563, 3555153), (1689, 1185051), (3941, 507879), (5067, 395017), (11823, 169293), (35469, 56431)]