121921919

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{211}}^1$

素因数の和:375

約数の個数: 32

約数和(自身を含む): 151581696

約数和(自身を除く): 29659777

約数列:

[1, 7, 23, 37, 97, 161, 211, 259, 679, 851, 1477, 2231, 3589, 4853, 5957, 7807, 15617, 20467, 25123, 33971, 54649, 82547, 143269, 179561, 470741, 577829, 757279, 1256927, 3295187, 5300953, 17417417, 121921919]

約数ペア:

[(1, 121921919), (7, 17417417), (23, 5300953), (37, 3295187), (97, 1256927), (161, 757279), (211, 577829), (259, 470741), (679, 179561), (851, 143269), (1477, 82547), (2231, 54649), (3589, 33971), (4853, 25123), (5957, 20467), (7807, 15617)]