27966555

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:300

約数の個数: 48

約数和(自身を含む): 50450400

約数和(自身を除く): 22483845

約数列:

[1, 3, 5, 9, 15, 43, 45, 97, 129, 149, 215, 291, 387, 447, 485, 645, 745, 873, 1341, 1455, 1935, 2235, 4171, 4365, 6407, 6705, 12513, 14453, 19221, 20855, 32035, 37539, 43359, 57663, 62565, 72265, 96105, 130077, 187695, 216795, 288315, 621479, 650385, 1864437, 3107395, 5593311, 9322185, 27966555]

約数ペア:

[(1, 27966555), (3, 9322185), (5, 5593311), (9, 3107395), (15, 1864437), (43, 650385), (45, 621479), (97, 288315), (129, 216795), (149, 187695), (215, 130077), (291, 96105), (387, 72265), (447, 62565), (485, 57663), (645, 43359), (745, 37539), (873, 32035), (1341, 20855), (1455, 19221), (1935, 14453), (2235, 12513), (4171, 6705), (4365, 6407)]