279968985

素因数分解:

$3^2\times 5^1\times {\mathrm{2207}}^1\times {\mathrm{2819}}^1$

素因数の和:5037

約数の個数: 24

約数和(自身を含む): 485671680

約数和(自身を除く): 205702695

約数列:

[1, 3, 5, 9, 15, 45, 2207, 2819, 6621, 8457, 11035, 14095, 19863, 25371, 33105, 42285, 99315, 126855, 6221533, 18664599, 31107665, 55993797, 93322995, 279968985]

約数ペア:

[(1, 279968985), (3, 93322995), (5, 55993797), (9, 31107665), (15, 18664599), (45, 6221533), (2207, 126855), (2819, 99315), (6621, 42285), (8457, 33105), (11035, 25371), (14095, 19863)]