28185915

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{110533}}^1$

素因数の和:110558

約数の個数: 16

約数和(自身を含む): 47750688

約数和(自身を除く): 19564773

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 110533, 331599, 552665, 1657995, 1879061, 5637183, 9395305, 28185915]

約数ペア:

[(1, 28185915), (3, 9395305), (5, 5637183), (15, 1879061), (17, 1657995), (51, 552665), (85, 331599), (255, 110533)]