12542751

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 20966400

約数和(自身を除く): 8423649

約数列:

[1, 3, 9, 13, 23, 39, 59, 69, 79, 117, 177, 207, 237, 299, 531, 711, 767, 897, 1027, 1357, 1817, 2301, 2691, 3081, 4071, 4661, 5451, 6903, 9243, 12213, 13983, 16353, 17641, 23621, 41949, 52923, 60593, 70863, 107203, 158769, 181779, 212589, 321609, 545337, 964827, 1393639, 4180917, 12542751]

約数ペア:

[(1, 12542751), (3, 4180917), (9, 1393639), (13, 964827), (23, 545337), (39, 321609), (59, 212589), (69, 181779), (79, 158769), (117, 107203), (177, 70863), (207, 60593), (237, 52923), (299, 41949), (531, 23621), (711, 17641), (767, 16353), (897, 13983), (1027, 12213), (1357, 9243), (1817, 6903), (2301, 5451), (2691, 4661), (3081, 4071)]