28799121

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{1321}}^1$

素因数の和:1393

約数の個数: 24

約数和(自身を含む): 42578976

約数和(自身を除く): 13779855

約数列:

[1, 3, 13, 39, 43, 129, 169, 507, 559, 1321, 1677, 3963, 7267, 17173, 21801, 51519, 56803, 170409, 223249, 669747, 738439, 2215317, 9599707, 28799121]

約数ペア:

[(1, 28799121), (3, 9599707), (13, 2215317), (39, 738439), (43, 669747), (129, 223249), (169, 170409), (507, 56803), (559, 51519), (1321, 21801), (1677, 17173), (3963, 7267)]