81310065

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{318863}}^1$

素因数の和:318888

約数の個数: 16

約数和(自身を含む): 137749248

約数和(自身を除く): 56439183

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 318863, 956589, 1594315, 4782945, 5420671, 16262013, 27103355, 81310065]

約数ペア:

[(1, 81310065), (3, 27103355), (5, 16262013), (15, 5420671), (17, 4782945), (51, 1594315), (85, 956589), (255, 318863)]