272405

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:236

約数の個数: 16

約数和(自身を含む): 384384

約数和(自身を除く): 111979

約数列:

[1, 5, 7, 35, 43, 181, 215, 301, 905, 1267, 1505, 6335, 7783, 38915, 54481, 272405]

約数ペア:

[(1, 272405), (5, 54481), (7, 38915), (35, 7783), (43, 6335), (181, 1505), (215, 1267), (301, 905)]