13438467

素因数分解:

$3^4\times 7^1\times {\mathrm{137}}^1\times {\mathrm{173}}^1$

素因数の和:329

約数の個数: 40

約数和(自身を含む): 23243616

約数和(自身を除く): 9805149

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 137, 173, 189, 411, 519, 567, 959, 1211, 1233, 1557, 2877, 3633, 3699, 4671, 8631, 10899, 11097, 14013, 23701, 25893, 32697, 71103, 77679, 98091, 165907, 213309, 497721, 639927, 1493163, 1919781, 4479489, 13438467]

約数ペア:

[(1, 13438467), (3, 4479489), (7, 1919781), (9, 1493163), (21, 639927), (27, 497721), (63, 213309), (81, 165907), (137, 98091), (173, 77679), (189, 71103), (411, 32697), (519, 25893), (567, 23701), (959, 14013), (1211, 11097), (1233, 10899), (1557, 8631), (2877, 4671), (3633, 3699)]