64551915

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1327}}^1$

素因数の和:1408

約数の個数: 48

約数和(自身を含む): 119328768

約数和(自身を除く): 54776853

約数列:

[1, 3, 5, 9, 15, 23, 45, 47, 69, 115, 141, 207, 235, 345, 423, 705, 1035, 1081, 1327, 2115, 3243, 3981, 5405, 6635, 9729, 11943, 16215, 19905, 30521, 48645, 59715, 62369, 91563, 152605, 187107, 274689, 311845, 457815, 561321, 935535, 1373445, 1434487, 2806605, 4303461, 7172435, 12910383, 21517305, 64551915]

約数ペア:

[(1, 64551915), (3, 21517305), (5, 12910383), (9, 7172435), (15, 4303461), (23, 2806605), (45, 1434487), (47, 1373445), (69, 935535), (115, 561321), (141, 457815), (207, 311845), (235, 274689), (345, 187107), (423, 152605), (705, 91563), (1035, 62369), (1081, 59715), (1327, 48645), (2115, 30521), (3243, 19905), (3981, 16215), (5405, 11943), (6635, 9729)]