12620715

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1151}}^1$

素因数の和:1219

約数の個数: 32

約数和(自身を含む): 21897216

約数和(自身を除く): 9276501

約数列:

[1, 3, 5, 15, 17, 43, 51, 85, 129, 215, 255, 645, 731, 1151, 2193, 3453, 3655, 5755, 10965, 17265, 19567, 49493, 58701, 97835, 148479, 247465, 293505, 742395, 841381, 2524143, 4206905, 12620715]

約数ペア:

[(1, 12620715), (3, 4206905), (5, 2524143), (15, 841381), (17, 742395), (43, 293505), (51, 247465), (85, 148479), (129, 97835), (215, 58701), (255, 49493), (645, 19567), (731, 17265), (1151, 10965), (2193, 5755), (3453, 3655)]