51997449

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{647}}^1$

素因数の和:789

約数の個数: 32

約数和(自身を含む): 82114560

約数和(自身を除く): 30117111

約数列:

[1, 3, 7, 21, 43, 89, 129, 267, 301, 623, 647, 903, 1869, 1941, 3827, 4529, 11481, 13587, 26789, 27821, 57583, 80367, 83463, 172749, 194747, 403081, 584241, 1209243, 2476069, 7428207, 17332483, 51997449]

約数ペア:

[(1, 51997449), (3, 17332483), (7, 7428207), (21, 2476069), (43, 1209243), (89, 584241), (129, 403081), (267, 194747), (301, 172749), (623, 83463), (647, 80367), (903, 57583), (1869, 27821), (1941, 26789), (3827, 13587), (4529, 11481)]