221277763

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{89}}^1\times {\mathrm{1229}}^1$

素因数の和:1359

約数の個数: 24

約数和(自身を含む): 271879200

約数和(自身を除く): 50601437

約数列:

[1, 7, 17, 89, 119, 289, 623, 1229, 1513, 2023, 8603, 10591, 20893, 25721, 109381, 146251, 180047, 355181, 765667, 1859477, 2486267, 13016339, 31611109, 221277763]

約数ペア:

[(1, 221277763), (7, 31611109), (17, 13016339), (89, 2486267), (119, 1859477), (289, 765667), (623, 355181), (1229, 180047), (1513, 146251), (2023, 109381), (8603, 25721), (10591, 20893)]