2118519

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{953}}^1$

素因数の和:991

約数の個数: 24

約数和(自身を含む): 3472560

約数和(自身を除く): 1354041

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 953, 2223, 2859, 8577, 12389, 18107, 37167, 54321, 111501, 162963, 235391, 706173, 2118519]

約数ペア:

[(1, 2118519), (3, 706173), (9, 235391), (13, 162963), (19, 111501), (39, 54321), (57, 37167), (117, 18107), (171, 12389), (247, 8577), (741, 2859), (953, 2223)]