7851663

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{449}}^1$

素因数の和:551

約数の個数: 24

約数和(自身を含む): 11934000

約数和(自身を除く): 4082337

約数列:

[1, 3, 9, 29, 67, 87, 201, 261, 449, 603, 1347, 1943, 4041, 5829, 13021, 17487, 30083, 39063, 90249, 117189, 270747, 872407, 2617221, 7851663]

約数ペア:

[(1, 7851663), (3, 2617221), (9, 872407), (29, 270747), (67, 117189), (87, 90249), (201, 39063), (261, 30083), (449, 17487), (603, 13021), (1347, 5829), (1943, 4041)]