28210305

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{81769}}^1$

素因数の和:81800

約数の個数: 16

約数和(自身を含む): 47099520

約数和(自身を除く): 18889215

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 81769, 245307, 408845, 1226535, 1880687, 5642061, 9403435, 28210305]

約数ペア:

[(1, 28210305), (3, 9403435), (5, 5642061), (15, 1880687), (23, 1226535), (69, 408845), (115, 245307), (345, 81769)]