17926881

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{443}}^1$

素因数の和:541

約数の個数: 32

約数和(自身を含む): 28643328

約数和(自身を除く): 10716447

約数列:

[1, 3, 7, 21, 41, 47, 123, 141, 287, 329, 443, 861, 987, 1329, 1927, 3101, 5781, 9303, 13489, 18163, 20821, 40467, 54489, 62463, 127141, 145747, 381423, 437241, 853661, 2560983, 5975627, 17926881]

約数ペア:

[(1, 17926881), (3, 5975627), (7, 2560983), (21, 853661), (41, 437241), (47, 381423), (123, 145747), (141, 127141), (287, 62463), (329, 54489), (443, 40467), (861, 20821), (987, 18163), (1329, 13489), (1927, 9303), (3101, 5781)]