17420193

素因数分解:

$3^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{2447}}^1$

素因数の和:2573

約数の個数: 24

約数和(自身を含む): 29023488

約数和(自身を除く): 11603295

約数列:

[1, 3, 7, 9, 21, 63, 113, 339, 791, 1017, 2373, 2447, 7119, 7341, 17129, 22023, 51387, 154161, 276511, 829533, 1935577, 2488599, 5806731, 17420193]

約数ペア:

[(1, 17420193), (3, 5806731), (7, 2488599), (9, 1935577), (21, 829533), (63, 276511), (113, 154161), (339, 51387), (791, 22023), (1017, 17129), (2373, 7341), (2447, 7119)]