26638821

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{349}}^1$

素因数の和:626

約数の個数: 32

約数和(自身を含む): 43344000

約数和(自身を除く): 16705179

約数列:

[1, 3, 9, 11, 27, 33, 99, 257, 297, 349, 771, 1047, 2313, 2827, 3141, 3839, 6939, 8481, 9423, 11517, 25443, 34551, 76329, 89693, 103653, 269079, 807237, 986623, 2421711, 2959869, 8879607, 26638821]

約数ペア:

[(1, 26638821), (3, 8879607), (9, 2959869), (11, 2421711), (27, 986623), (33, 807237), (99, 269079), (257, 103653), (297, 89693), (349, 76329), (771, 34551), (1047, 25443), (2313, 11517), (2827, 9423), (3141, 8481), (3839, 6939)]