12157145

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 19994688

約数和(自身を除く): 7837543

約数列:

[1, 5, 7, 11, 13, 35, 49, 55, 65, 77, 91, 143, 245, 347, 385, 455, 539, 637, 715, 1001, 1735, 2429, 2695, 3185, 3817, 4511, 5005, 7007, 12145, 17003, 19085, 22555, 26719, 31577, 35035, 49621, 85015, 133595, 157885, 187033, 221039, 248105, 347347, 935165, 1105195, 1736735, 2431429, 12157145]

約数ペア:

[(1, 12157145), (5, 2431429), (7, 1736735), (11, 1105195), (13, 935165), (35, 347347), (49, 248105), (55, 221039), (65, 187033), (77, 157885), (91, 133595), (143, 85015), (245, 49621), (347, 35035), (385, 31577), (455, 26719), (539, 22555), (637, 19085), (715, 17003), (1001, 12145), (1735, 7007), (2429, 5005), (2695, 4511), (3185, 3817)]