17426701971

素因数分解:

$3^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{683}}^1\times {\mathrm{1231}}^1$

素因数の和:1981

約数の個数: 72

約数和(自身を含む): 29972726784

約数和(自身を除く): 12546024813

約数列:

[1, 3, 7, 9, 21, 47, 49, 63, 141, 147, 329, 423, 441, 683, 987, 1231, 2049, 2303, 2961, 3693, 4781, 6147, 6909, 8617, 11079, 14343, 20727, 25851, 32101, 33467, 43029, 57857, 60319, 77553, 96303, 100401, 173571, 180957, 224707, 288909, 301203, 404999, 520713, 542871, 674121, 840773, 1214997, 1572949, 2022363, 2522319, 2834993, 3644991, 4718847, 5885411, 7566957, 8504979, 14156541, 17656233, 25514937, 39516331, 41197877, 52968699, 118548993, 123593631, 276614317, 355646979, 370780893, 829842951, 1936300219, 2489528853, 5808900657, 17426701971]

約数ペア:

[(1, 17426701971), (3, 5808900657), (7, 2489528853), (9, 1936300219), (21, 829842951), (47, 370780893), (49, 355646979), (63, 276614317), (141, 123593631), (147, 118548993), (329, 52968699), (423, 41197877), (441, 39516331), (683, 25514937), (987, 17656233), (1231, 14156541), (2049, 8504979), (2303, 7566957), (2961, 5885411), (3693, 4718847), (4781, 3644991), (6147, 2834993), (6909, 2522319), (8617, 2022363), (11079, 1572949), (14343, 1214997), (20727, 840773), (25851, 674121), (32101, 542871), (33467, 520713), (43029, 404999), (57857, 301203), (60319, 288909), (77553, 224707), (96303, 180957), (100401, 173571)]