84720285

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1493}}^1$

素因数の和:1614

約数の個数: 48

約数和(自身を含む): 159881904

約数和(自身を除く): 75161619

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 97, 117, 195, 291, 485, 585, 873, 1261, 1455, 1493, 3783, 4365, 4479, 6305, 7465, 11349, 13437, 18915, 19409, 22395, 56745, 58227, 67185, 97045, 144821, 174681, 291135, 434463, 724105, 873405, 1303389, 1882673, 2172315, 5648019, 6516945, 9413365, 16944057, 28240095, 84720285]

約数ペア:

[(1, 84720285), (3, 28240095), (5, 16944057), (9, 9413365), (13, 6516945), (15, 5648019), (39, 2172315), (45, 1882673), (65, 1303389), (97, 873405), (117, 724105), (195, 434463), (291, 291135), (485, 174681), (585, 144821), (873, 97045), (1261, 67185), (1455, 58227), (1493, 56745), (3783, 22395), (4365, 19409), (4479, 18915), (6305, 13437), (7465, 11349)]