13947843

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2689}}^1$

素因数の和:2731

約数の個数: 32

約数和(自身を含む): 24102400

約数和(自身を除く): 10154557

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 2689, 5187, 8067, 18823, 34957, 51091, 56469, 104871, 153273, 244699, 357637, 664183, 734097, 1072911, 1992549, 4649281, 13947843]

約数ペア:

[(1, 13947843), (3, 4649281), (7, 1992549), (13, 1072911), (19, 734097), (21, 664183), (39, 357637), (57, 244699), (91, 153273), (133, 104871), (247, 56469), (273, 51091), (399, 34957), (741, 18823), (1729, 8067), (2689, 5187)]