12927771

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{173}}^1$

素因数の和:240

約数の個数: 36

約数和(自身を含む): 20683728

約数和(自身を除く): 7755957

約数列:

[1, 3, 9, 19, 23, 57, 69, 171, 173, 207, 361, 437, 519, 1083, 1311, 1557, 3249, 3287, 3933, 3979, 8303, 9861, 11937, 24909, 29583, 35811, 62453, 74727, 75601, 187359, 226803, 562077, 680409, 1436419, 4309257, 12927771]

約数ペア:

[(1, 12927771), (3, 4309257), (9, 1436419), (19, 680409), (23, 562077), (57, 226803), (69, 187359), (171, 75601), (173, 74727), (207, 62453), (361, 35811), (437, 29583), (519, 24909), (1083, 11937), (1311, 9861), (1557, 8303), (3249, 3979), (3287, 3933)]