28187535

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{81703}}^1$

素因数の和:81734

約数の個数: 16

約数和(自身を含む): 47061504

約数和(自身を除く): 18873969

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 81703, 245109, 408515, 1225545, 1879169, 5637507, 9395845, 28187535]

約数ペア:

[(1, 28187535), (3, 9395845), (5, 5637507), (15, 1879169), (23, 1225545), (69, 408515), (115, 245109), (345, 81703)]