1287408555

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3851}}^1$

素因数の和:3921

約数の個数: 96

約数和(自身を含む): 2595939840

約数和(自身を除く): 1308531285

約数列:

[1, 3, 5, 9, 15, 17, 19, 23, 45, 51, 57, 69, 85, 95, 115, 153, 171, 207, 255, 285, 323, 345, 391, 437, 765, 855, 969, 1035, 1173, 1311, 1615, 1955, 2185, 2907, 3519, 3851, 3933, 4845, 5865, 6555, 7429, 11553, 14535, 17595, 19255, 19665, 22287, 34659, 37145, 57765, 65467, 66861, 73169, 88573, 111435, 173295, 196401, 219507, 265719, 327335, 334305, 365845, 442865, 589203, 658521, 797157, 982005, 1097535, 1243873, 1328595, 1505741, 1682887, 2946015, 3292605, 3731619, 3985785, 4517223, 5048661, 6219365, 7528705, 8414435, 11194857, 13551669, 15145983, 18658095, 22586115, 25243305, 28609079, 55974285, 67758345, 75729915, 85827237, 143045395, 257481711, 429136185, 1287408555]

約数ペア:

[(1, 1287408555), (3, 429136185), (5, 257481711), (9, 143045395), (15, 85827237), (17, 75729915), (19, 67758345), (23, 55974285), (45, 28609079), (51, 25243305), (57, 22586115), (69, 18658095), (85, 15145983), (95, 13551669), (115, 11194857), (153, 8414435), (171, 7528705), (207, 6219365), (255, 5048661), (285, 4517223), (323, 3985785), (345, 3731619), (391, 3292605), (437, 2946015), (765, 1682887), (855, 1505741), (969, 1328595), (1035, 1243873), (1173, 1097535), (1311, 982005), (1615, 797157), (1955, 658521), (2185, 589203), (2907, 442865), (3519, 365845), (3851, 334305), (3933, 327335), (4845, 265719), (5865, 219507), (6555, 196401), (7429, 173295), (11553, 111435), (14535, 88573), (17595, 73169), (19255, 66861), (19665, 65467), (22287, 57765), (34659, 37145)]