30680881

素因数分解:

$7^1\times {\mathrm{11}}^3\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:166

約数の個数: 32

約数和(自身を含む): 40055040

約数和(自身を除く): 9374159

約数列:

[1, 7, 11, 37, 77, 89, 121, 259, 407, 623, 847, 979, 1331, 2849, 3293, 4477, 6853, 9317, 10769, 23051, 31339, 36223, 49247, 75383, 118459, 253561, 344729, 398453, 829213, 2789171, 4382983, 30680881]

約数ペア:

[(1, 30680881), (7, 4382983), (11, 2789171), (37, 829213), (77, 398453), (89, 344729), (121, 253561), (259, 118459), (407, 75383), (623, 49247), (847, 36223), (979, 31339), (1331, 23051), (2849, 10769), (3293, 9317), (4477, 6853)]