15686083917

素因数分解:

$3^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{892421}}^1$

素因数の和:892471

約数の個数: 40

約数和(自身を含む): 27643663872

約数和(自身を除く): 11957579955

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 81, 93, 189, 217, 279, 567, 651, 837, 1953, 2511, 5859, 17577, 892421, 2677263, 6246947, 8031789, 18740841, 24095367, 27665051, 56222523, 72286101, 82995153, 168667569, 193655357, 248985459, 506002707, 580966071, 746956377, 1742898213, 2240869131, 5228694639, 15686083917]

約数ペア:

[(1, 15686083917), (3, 5228694639), (7, 2240869131), (9, 1742898213), (21, 746956377), (27, 580966071), (31, 506002707), (63, 248985459), (81, 193655357), (93, 168667569), (189, 82995153), (217, 72286101), (279, 56222523), (567, 27665051), (651, 24095367), (837, 18740841), (1953, 8031789), (2511, 6246947), (5859, 2677263), (17577, 892421)]