81568065

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{132631}}^1$

素因数の和:132680

約数の個数: 16

約数和(自身を含む): 133693056

約数和(自身を除く): 52124991

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 132631, 397893, 663155, 1989465, 5437871, 16313613, 27189355, 81568065]

約数ペア:

[(1, 81568065), (3, 27189355), (5, 16313613), (15, 5437871), (41, 1989465), (123, 663155), (205, 397893), (615, 132631)]