1987863363

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{17393}}^1$

素因数の和:17505

約数の個数: 40

約数和(自身を含む): 3182267088

約数和(自身を除く): 1194403725

約数列:

[1, 3, 9, 17, 27, 51, 81, 83, 153, 249, 459, 747, 1377, 1411, 2241, 4233, 6723, 12699, 17393, 38097, 52179, 114291, 156537, 295681, 469611, 887043, 1408833, 1443619, 2661129, 4330857, 7983387, 12992571, 23950161, 24541523, 38977713, 73624569, 116933139, 220873707, 662621121, 1987863363]

約数ペア:

[(1, 1987863363), (3, 662621121), (9, 220873707), (17, 116933139), (27, 73624569), (51, 38977713), (81, 24541523), (83, 23950161), (153, 12992571), (249, 7983387), (459, 4330857), (747, 2661129), (1377, 1443619), (1411, 1408833), (2241, 887043), (4233, 469611), (6723, 295681), (12699, 156537), (17393, 114291), (38097, 52179)]