2219751

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{4327}}^1$

素因数の和:4355

約数の個数: 16

約数和(自身を含む): 3462400

約数和(自身を除く): 1242649

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 4327, 12981, 38943, 82213, 116829, 246639, 739917, 2219751]

約数ペア:

[(1, 2219751), (3, 739917), (9, 246639), (19, 116829), (27, 82213), (57, 38943), (171, 12981), (513, 4327)]