280807713

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{18583}}^1$

素因数の和:18685

約数の個数: 24

約数和(自身を含む): 429067392

約数和(自身を除く): 148259679

約数列:

[1, 3, 9, 23, 69, 73, 207, 219, 657, 1679, 5037, 15111, 18583, 55749, 167247, 427409, 1282227, 1356559, 3846681, 4069677, 12209031, 31200857, 93602571, 280807713]

約数ペア:

[(1, 280807713), (3, 93602571), (9, 31200857), (23, 12209031), (69, 4069677), (73, 3846681), (207, 1356559), (219, 1282227), (657, 427409), (1679, 167247), (5037, 55749), (15111, 18583)]