2079987

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1$

素因数の和:443

約数の個数: 32

約数和(自身を含む): 3601920

約数和(自身を除く): 1521933

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 401, 741, 1203, 1729, 2807, 5187, 5213, 7619, 8421, 15639, 22857, 36491, 53333, 99047, 109473, 159999, 297141, 693329, 2079987]

約数ペア:

[(1, 2079987), (3, 693329), (7, 297141), (13, 159999), (19, 109473), (21, 99047), (39, 53333), (57, 36491), (91, 22857), (133, 15639), (247, 8421), (273, 7619), (399, 5213), (401, 5187), (741, 2807), (1203, 1729)]