1311415

素因数分解:

$5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{421}}^1$

素因数の和:522

約数の個数: 16

約数和(自身を含む): 1823040

約数和(自身を除く): 511625

約数列:

[1, 5, 7, 35, 89, 421, 445, 623, 2105, 2947, 3115, 14735, 37469, 187345, 262283, 1311415]

約数ペア:

[(1, 1311415), (5, 262283), (7, 187345), (35, 37469), (89, 14735), (421, 3115), (445, 2947), (623, 2105)]