2511567

素因数分解:

$3^4\times {\mathrm{101}}^1\times {\mathrm{307}}^1$

素因数の和:420

約数の個数: 20

約数和(自身を含む): 3801336

約数和(自身を除く): 1289769

約数列:

[1, 3, 9, 27, 81, 101, 303, 307, 909, 921, 2727, 2763, 8181, 8289, 24867, 31007, 93021, 279063, 837189, 2511567]

約数ペア:

[(1, 2511567), (3, 837189), (9, 279063), (27, 93021), (81, 31007), (101, 24867), (303, 8289), (307, 8181), (909, 2763), (921, 2727)]