261796185

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{617}}^1$

素因数の和:1087

約数の個数: 64

約数和(自身を含む): 533952000

約数和(自身を除く): 272155815

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 449, 617, 945, 1347, 1851, 2245, 3085, 3143, 4041, 4319, 5553, 6735, 9255, 9429, 12123, 12957, 15715, 16659, 20205, 21595, 27765, 28287, 38871, 47145, 60615, 64785, 83295, 84861, 116613, 141435, 194355, 277033, 424305, 583065, 831099, 1385165, 1939231, 2493297, 4155495, 5817693, 7479891, 9696155, 12466485, 17453079, 29088465, 37399455, 52359237, 87265395, 261796185]

約数ペア:

[(1, 261796185), (3, 87265395), (5, 52359237), (7, 37399455), (9, 29088465), (15, 17453079), (21, 12466485), (27, 9696155), (35, 7479891), (45, 5817693), (63, 4155495), (105, 2493297), (135, 1939231), (189, 1385165), (315, 831099), (449, 583065), (617, 424305), (945, 277033), (1347, 194355), (1851, 141435), (2245, 116613), (3085, 84861), (3143, 83295), (4041, 64785), (4319, 60615), (5553, 47145), (6735, 38871), (9255, 28287), (9429, 27765), (12123, 21595), (12957, 20205), (15715, 16659)]