15815163

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3049}}^1$

素因数の和:3091

約数の個数: 32

約数和(自身を含む): 27328000

約数和(自身を除く): 11512837

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 3049, 5187, 9147, 21343, 39637, 57931, 64029, 118911, 173793, 277459, 405517, 753103, 832377, 1216551, 2259309, 5271721, 15815163]

約数ペア:

[(1, 15815163), (3, 5271721), (7, 2259309), (13, 1216551), (19, 832377), (21, 753103), (39, 405517), (57, 277459), (91, 173793), (133, 118911), (247, 64029), (273, 57931), (399, 39637), (741, 21343), (1729, 9147), (3049, 5187)]