12737791

素因数分解:

${\mathrm{11}}^2\times {\mathrm{23}}^2\times {\mathrm{199}}^1$

素因数の和:267

約数の個数: 18

約数和(自身を含む): 14709800

約数和(自身を除く): 1972009

約数列:

[1, 11, 23, 121, 199, 253, 529, 2189, 2783, 4577, 5819, 24079, 50347, 64009, 105271, 553817, 1157981, 12737791]

約数ペア:

[(1, 12737791), (11, 1157981), (23, 553817), (121, 105271), (199, 64009), (253, 50347), (529, 24079), (2189, 5819), (2783, 4577)]