12778545

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3449}}^1$

素因数の和:3489

約数の個数: 32

約数和(自身を含む): 23184000

約数和(自身を除く): 10405455

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 3449, 3705, 10347, 17245, 44837, 51735, 65531, 134511, 196593, 224185, 327655, 672555, 851903, 982965, 2555709, 4259515, 12778545]

約数ペア:

[(1, 12778545), (3, 4259515), (5, 2555709), (13, 982965), (15, 851903), (19, 672555), (39, 327655), (57, 224185), (65, 196593), (95, 134511), (195, 65531), (247, 51735), (285, 44837), (741, 17245), (1235, 10347), (3449, 3705)]