12305223

素因数分解:

$3^3\times 7^2\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:225

約数の個数: 48

約数和(自身を含む): 21669120

約数和(自身を除く): 9363897

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 71, 131, 147, 189, 213, 393, 441, 497, 639, 917, 1179, 1323, 1491, 1917, 2751, 3479, 3537, 4473, 6419, 8253, 9301, 10437, 13419, 19257, 24759, 27903, 31311, 57771, 65107, 83709, 93933, 173313, 195321, 251127, 455749, 585963, 1367247, 1757889, 4101741, 12305223]

約数ペア:

[(1, 12305223), (3, 4101741), (7, 1757889), (9, 1367247), (21, 585963), (27, 455749), (49, 251127), (63, 195321), (71, 173313), (131, 93933), (147, 83709), (189, 65107), (213, 57771), (393, 31311), (441, 27903), (497, 24759), (639, 19257), (917, 13419), (1179, 10437), (1323, 9301), (1491, 8253), (1917, 6419), (2751, 4473), (3479, 3537)]