81011091

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{1163}}^1$

素因数の和:1311

約数の個数: 32

約数和(自身を含む): 128729088

約数和(自身を除く): 47717997

約数列:

[1, 3, 7, 21, 31, 93, 107, 217, 321, 651, 749, 1163, 2247, 3317, 3489, 8141, 9951, 23219, 24423, 36053, 69657, 108159, 124441, 252371, 373323, 757113, 871087, 2613261, 3857671, 11573013, 27003697, 81011091]

約数ペア:

[(1, 81011091), (3, 27003697), (7, 11573013), (21, 3857671), (31, 2613261), (93, 871087), (107, 757113), (217, 373323), (321, 252371), (651, 124441), (749, 108159), (1163, 69657), (2247, 36053), (3317, 24423), (3489, 23219), (8141, 9951)]