28321917

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{4057}}^1$

素因数の和:4252

約数の個数: 16

約数和(自身を含む): 40904640

約数和(自身を除く): 12582723

約数列:

[1, 3, 13, 39, 179, 537, 2327, 4057, 6981, 12171, 52741, 158223, 726203, 2178609, 9440639, 28321917]

約数ペア:

[(1, 28321917), (3, 9440639), (13, 2178609), (39, 726203), (179, 158223), (537, 52741), (2327, 12171), (4057, 6981)]