28893681

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{1439}}^1$

素因数の和:1565

約数の個数: 24

約数和(自身を含む): 44029440

約数和(自身を除く): 15135759

約数列:

[1, 3, 9, 23, 69, 97, 207, 291, 873, 1439, 2231, 4317, 6693, 12951, 20079, 33097, 99291, 139583, 297873, 418749, 1256247, 3210409, 9631227, 28893681]

約数ペア:

[(1, 28893681), (3, 9631227), (9, 3210409), (23, 1256247), (69, 418749), (97, 297873), (207, 139583), (291, 99291), (873, 33097), (1439, 20079), (2231, 12951), (4317, 6693)]