81669581

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{881}}^1$

素因数の和:965

約数の個数: 32

約数和(自身を含む): 106686720

約数和(自身を除く): 25017139

約数列:

[1, 7, 17, 19, 41, 119, 133, 287, 323, 697, 779, 881, 2261, 4879, 5453, 6167, 13243, 14977, 16739, 36121, 92701, 104839, 117173, 252847, 284563, 614057, 686299, 1991941, 4298399, 4804093, 11667083, 81669581]

約数ペア:

[(1, 81669581), (7, 11667083), (17, 4804093), (19, 4298399), (41, 1991941), (119, 686299), (133, 614057), (287, 284563), (323, 252847), (697, 117173), (779, 104839), (881, 92701), (2261, 36121), (4879, 16739), (5453, 14977), (6167, 13243)]