28257315

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{110813}}^1$

素因数の和:110838

約数の個数: 16

約数和(自身を含む): 47871648

約数和(自身を除く): 19614333

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 110813, 332439, 554065, 1662195, 1883821, 5651463, 9419105, 28257315]

約数ペア:

[(1, 28257315), (3, 9419105), (5, 5651463), (15, 1883821), (17, 1662195), (51, 554065), (85, 332439), (255, 110813)]