201720267

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{24821}}^1$

素因数の和:24880

約数の個数: 32

約数和(自身を含む): 349493760

約数和(自身を除く): 147773493

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 129, 189, 301, 387, 903, 1161, 2709, 8127, 24821, 74463, 173747, 223389, 521241, 670167, 1067303, 1563723, 3201909, 4691169, 7471121, 9605727, 22413363, 28817181, 67240089, 201720267]

約数ペア:

[(1, 201720267), (3, 67240089), (7, 28817181), (9, 22413363), (21, 9605727), (27, 7471121), (43, 4691169), (63, 3201909), (129, 1563723), (189, 1067303), (301, 670167), (387, 521241), (903, 223389), (1161, 173747), (2709, 74463), (8127, 24821)]