13420897

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:205

約数の個数: 24

約数和(自身を含む): 16678656

約数和(自身を除く): 3257759

約数列:

[1, 7, 19, 47, 113, 133, 329, 361, 791, 893, 2147, 2527, 5311, 6251, 15029, 16967, 37177, 40793, 100909, 118769, 285551, 706363, 1917271, 13420897]

約数ペア:

[(1, 13420897), (7, 1917271), (19, 706363), (47, 285551), (113, 118769), (133, 100909), (329, 40793), (361, 37177), (791, 16967), (893, 15029), (2147, 6251), (2527, 5311)]