27979845

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{81101}}^1$

素因数の和:81132

約数の個数: 16

約数和(自身を含む): 46714752

約数和(自身を除く): 18734907

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 81101, 243303, 405505, 1216515, 1865323, 5595969, 9326615, 27979845]

約数ペア:

[(1, 27979845), (3, 9326615), (5, 5595969), (15, 1865323), (23, 1216515), (69, 405505), (115, 243303), (345, 81101)]