12961905

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4621}}^1$

素因数の和:4657

約数の個数: 32

約数和(自身を含む): 23960448

約数和(自身を除く): 10998543

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 165, 187, 255, 561, 935, 2805, 4621, 13863, 23105, 50831, 69315, 78557, 152493, 235671, 254155, 392785, 762465, 864127, 1178355, 2592381, 4320635, 12961905]

約数ペア:

[(1, 12961905), (3, 4320635), (5, 2592381), (11, 1178355), (15, 864127), (17, 762465), (33, 392785), (51, 254155), (55, 235671), (85, 152493), (165, 78557), (187, 69315), (255, 50831), (561, 23105), (935, 13863), (2805, 4621)]