51395421

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{821}}^1$

素因数の和:1113

約数の個数: 32

約数和(自身を含む): 85856256

約数和(自身を除く): 34460835

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 271, 813, 821, 1897, 2463, 2981, 5691, 5747, 8943, 9031, 17241, 20867, 27093, 62601, 63217, 189651, 222491, 667473, 1557437, 2447401, 4672311, 7342203, 17131807, 51395421]

約数ペア:

[(1, 51395421), (3, 17131807), (7, 7342203), (11, 4672311), (21, 2447401), (33, 1557437), (77, 667473), (231, 222491), (271, 189651), (813, 63217), (821, 62601), (1897, 27093), (2463, 20867), (2981, 17241), (5691, 9031), (5747, 8943)]