12439413

素因数分解:

$3^5\times 7^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:196

約数の個数: 48

約数和(自身を含む): 21805056

約数和(自身を除く): 9365643

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 81, 103, 189, 213, 243, 309, 497, 567, 639, 721, 927, 1491, 1701, 1917, 2163, 2781, 4473, 5751, 6489, 7313, 8343, 13419, 17253, 19467, 21939, 25029, 40257, 51191, 58401, 65817, 120771, 153573, 175203, 197451, 460719, 592353, 1382157, 1777059, 4146471, 12439413]

約数ペア:

[(1, 12439413), (3, 4146471), (7, 1777059), (9, 1382157), (21, 592353), (27, 460719), (63, 197451), (71, 175203), (81, 153573), (103, 120771), (189, 65817), (213, 58401), (243, 51191), (309, 40257), (497, 25029), (567, 21939), (639, 19467), (721, 17253), (927, 13419), (1491, 8343), (1701, 7313), (1917, 6489), (2163, 5751), (2781, 4473)]