13890261

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{383}}^1$

素因数の和:561

約数の個数: 32

約数和(自身を含む): 23298048

約数和(自身を除く): 9407787

約数列:

[1, 3, 7, 11, 21, 33, 77, 157, 231, 383, 471, 1099, 1149, 1727, 2681, 3297, 4213, 5181, 8043, 12089, 12639, 29491, 36267, 60131, 88473, 180393, 420917, 661441, 1262751, 1984323, 4630087, 13890261]

約数ペア:

[(1, 13890261), (3, 4630087), (7, 1984323), (11, 1262751), (21, 661441), (33, 420917), (77, 180393), (157, 88473), (231, 60131), (383, 36267), (471, 29491), (1099, 12639), (1149, 12089), (1727, 8043), (2681, 5181), (3297, 4213)]