28471515

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{111653}}^1$

素因数の和:111678

約数の個数: 16

約数和(自身を含む): 48234528

約数和(自身を除く): 19763013

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 111653, 334959, 558265, 1674795, 1898101, 5694303, 9490505, 28471515]

約数ペア:

[(1, 28471515), (3, 9490505), (5, 5694303), (15, 1898101), (17, 1674795), (51, 558265), (85, 334959), (255, 111653)]