17961321

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{907}}^1$

素因数の和:981

約数の個数: 32

約数和(自身を含む): 29288448

約数和(自身を除く): 11327127

約数列:

[1, 3, 7, 21, 23, 41, 69, 123, 161, 287, 483, 861, 907, 943, 2721, 2829, 6349, 6601, 19047, 19803, 20861, 37187, 62583, 111561, 146027, 260309, 438081, 780927, 855301, 2565903, 5987107, 17961321]

約数ペア:

[(1, 17961321), (3, 5987107), (7, 2565903), (21, 855301), (23, 780927), (41, 438081), (69, 260309), (123, 146027), (161, 111561), (287, 62583), (483, 37187), (861, 20861), (907, 19803), (943, 19047), (2721, 6601), (2829, 6349)]