81485547

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{769}}^1$

素因数の和:828

約数の個数: 48

約数和(自身を含む): 135273600

約数和(自身を除く): 53788053

約数列:

[1, 3, 11, 13, 19, 33, 39, 57, 143, 169, 209, 247, 429, 507, 627, 741, 769, 1859, 2307, 2717, 3211, 5577, 8151, 8459, 9633, 9997, 14611, 25377, 29991, 35321, 43833, 105963, 109967, 129961, 160721, 189943, 329901, 389883, 482163, 569829, 1429571, 2089373, 2469259, 4288713, 6268119, 7407777, 27161849, 81485547]

約数ペア:

[(1, 81485547), (3, 27161849), (11, 7407777), (13, 6268119), (19, 4288713), (33, 2469259), (39, 2089373), (57, 1429571), (143, 569829), (169, 482163), (209, 389883), (247, 329901), (429, 189943), (507, 160721), (627, 129961), (741, 109967), (769, 105963), (1859, 43833), (2307, 35321), (2717, 29991), (3211, 25377), (5577, 14611), (8151, 9997), (8459, 9633)]