27871767

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1087}}^1$

素因数の和:1148

約数の個数: 48

約数和(自身を含む): 51597312

約数和(自身を除く): 23725545

約数列:

[1, 3, 7, 9, 11, 21, 33, 37, 63, 77, 99, 111, 231, 259, 333, 407, 693, 777, 1087, 1221, 2331, 2849, 3261, 3663, 7609, 8547, 9783, 11957, 22827, 25641, 35871, 40219, 68481, 83699, 107613, 120657, 251097, 281533, 361971, 442409, 753291, 844599, 1327227, 2533797, 3096863, 3981681, 9290589, 27871767]

約数ペア:

[(1, 27871767), (3, 9290589), (7, 3981681), (9, 3096863), (11, 2533797), (21, 1327227), (33, 844599), (37, 753291), (63, 442409), (77, 361971), (99, 281533), (111, 251097), (231, 120657), (259, 107613), (333, 83699), (407, 68481), (693, 40219), (777, 35871), (1087, 25641), (1221, 22827), (2331, 11957), (2849, 9783), (3261, 8547), (3663, 7609)]