28013181

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1163}}^1$

素因数の和:1241

約数の個数: 32

約数和(自身を含む): 45293568

約数和(自身を除く): 17280387

約数列:

[1, 3, 7, 21, 31, 37, 93, 111, 217, 259, 651, 777, 1147, 1163, 3441, 3489, 8029, 8141, 24087, 24423, 36053, 43031, 108159, 129093, 252371, 301217, 757113, 903651, 1333961, 4001883, 9337727, 28013181]

約数ペア:

[(1, 28013181), (3, 9337727), (7, 4001883), (21, 1333961), (31, 903651), (37, 757113), (93, 301217), (111, 252371), (217, 129093), (259, 108159), (651, 43031), (777, 36053), (1147, 24423), (1163, 24087), (3441, 8141), (3489, 8029)]