1261474815

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^2\times {\mathrm{97}}^1\times {\mathrm{233}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 2082042144

約数和(自身を除く): 820567329

約数列:

[1, 3, 5, 15, 61, 97, 183, 233, 291, 305, 485, 699, 915, 1165, 1455, 3495, 3721, 5917, 11163, 14213, 17751, 18605, 22601, 29585, 42639, 55815, 67803, 71065, 88755, 113005, 213195, 339015, 360937, 866993, 1082811, 1378661, 1804685, 2600979, 4135983, 4334965, 5414055, 6893305, 13004895, 20679915, 84098321, 252294963, 420491605, 1261474815]

約数ペア:

[(1, 1261474815), (3, 420491605), (5, 252294963), (15, 84098321), (61, 20679915), (97, 13004895), (183, 6893305), (233, 5414055), (291, 4334965), (305, 4135983), (485, 2600979), (699, 1804685), (915, 1378661), (1165, 1082811), (1455, 866993), (3495, 360937), (3721, 339015), (5917, 213195), (11163, 113005), (14213, 88755), (17751, 71065), (18605, 67803), (22601, 55815), (29585, 42639)]