15680715

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61493}}^1$

素因数の和:61518

約数の個数: 16

約数和(自身を含む): 26565408

約数和(自身を除く): 10884693

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 61493, 184479, 307465, 922395, 1045381, 3136143, 5226905, 15680715]

約数ペア:

[(1, 15680715), (3, 5226905), (5, 3136143), (15, 1045381), (17, 922395), (51, 307465), (85, 184479), (255, 61493)]