245879145

素因数分解:

$3^4\times 5^1\times {\mathrm{607109}}^1$

素因数の和:607126

約数の個数: 20

約数和(自身を含む): 440761860

約数和(自身を除く): 194882715

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 607109, 1821327, 3035545, 5463981, 9106635, 16391943, 27319905, 49175829, 81959715, 245879145]

約数ペア:

[(1, 245879145), (3, 81959715), (5, 49175829), (9, 27319905), (15, 16391943), (27, 9106635), (45, 5463981), (81, 3035545), (135, 1821327), (405, 607109)]