81571185

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{35543}}^1$

素因数の和:35574

約数の個数: 32

約数和(自身を含む): 153550080

約数和(自身を除く): 71978895

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 35543, 106629, 177715, 319887, 533145, 604231, 959661, 1599435, 1812693, 3021155, 4798305, 5438079, 9063465, 16314237, 27190395, 81571185]

約数ペア:

[(1, 81571185), (3, 27190395), (5, 16314237), (9, 9063465), (15, 5438079), (17, 4798305), (27, 3021155), (45, 1812693), (51, 1599435), (85, 959661), (135, 604231), (153, 533145), (255, 319887), (459, 177715), (765, 106629), (2295, 35543)]