261310635

素因数分解:

$3^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{21587}}^1$

素因数の和:21867

約数の個数: 24

約数和(自身を含む): 454643280

約数和(自身を除く): 193332645

約数列:

[1, 3, 5, 9, 15, 45, 269, 807, 1345, 2421, 4035, 12105, 21587, 64761, 107935, 194283, 323805, 971415, 5806903, 17420709, 29034515, 52262127, 87103545, 261310635]

約数ペア:

[(1, 261310635), (3, 87103545), (5, 52262127), (9, 29034515), (15, 17420709), (45, 5806903), (269, 971415), (807, 323805), (1345, 194283), (2421, 107935), (4035, 64761), (12105, 21587)]