720172809

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{3511}}^1$

素因数の和:3698

約数の個数: 32

約数和(自身を含む): 1092372480

約数和(自身を除く): 372199671

約数列:

[1, 3, 9, 27, 71, 107, 213, 321, 639, 963, 1917, 2889, 3511, 7597, 10533, 22791, 31599, 68373, 94797, 205119, 249281, 375677, 747843, 1127031, 2243529, 3381093, 6730587, 10143279, 26673067, 80019201, 240057603, 720172809]

約数ペア:

[(1, 720172809), (3, 240057603), (9, 80019201), (27, 26673067), (71, 10143279), (107, 6730587), (213, 3381093), (321, 2243529), (639, 1127031), (963, 747843), (1917, 375677), (2889, 249281), (3511, 205119), (7597, 94797), (10533, 68373), (22791, 31599)]