28707519

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{13421}}^1$

素因数の和:13478

約数の個数: 16

約数和(自身を含む): 41232384

約数和(自身を除く): 12524865

約数列:

[1, 3, 23, 31, 69, 93, 713, 2139, 13421, 40263, 308683, 416051, 926049, 1248153, 9569173, 28707519]

約数ペア:

[(1, 28707519), (3, 9569173), (23, 1248153), (31, 926049), (69, 416051), (93, 308683), (713, 40263), (2139, 13421)]