251980731

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{599}}^1\times {\mathrm{1087}}^1$

素因数の和:1735

約数の個数: 24

約数和(自身を含む): 373401600

約数和(自身を除く): 121420869

約数列:

[1, 3, 9, 43, 129, 387, 599, 1087, 1797, 3261, 5391, 9783, 25757, 46741, 77271, 140223, 231813, 420669, 651113, 1953339, 5860017, 27997859, 83993577, 251980731]

約数ペア:

[(1, 251980731), (3, 83993577), (9, 27997859), (43, 5860017), (129, 1953339), (387, 651113), (599, 420669), (1087, 231813), (1797, 140223), (3261, 77271), (5391, 46741), (9783, 25757)]