278415

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{269}}^1$

素因数の和:303

約数の個数: 24

約数和(自身を含む): 505440

約数和(自身を除く): 227025

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 269, 345, 807, 1035, 1345, 2421, 4035, 6187, 12105, 18561, 30935, 55683, 92805, 278415]

約数ペア:

[(1, 278415), (3, 92805), (5, 55683), (9, 30935), (15, 18561), (23, 12105), (45, 6187), (69, 4035), (115, 2421), (207, 1345), (269, 1035), (345, 807)]