81690282

素因数分解:

$2^1\times 3^6\times {\mathrm{43}}^1\times {\mathrm{1303}}^1$

素因数の和:1366

約数の個数: 56

約数和(自身を含む): 188135904

約数和(自身を除く): 106445622

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 81, 86, 129, 162, 243, 258, 387, 486, 729, 774, 1161, 1303, 1458, 2322, 2606, 3483, 3909, 6966, 7818, 10449, 11727, 20898, 23454, 31347, 35181, 56029, 62694, 70362, 105543, 112058, 168087, 211086, 316629, 336174, 504261, 633258, 949887, 1008522, 1512783, 1899774, 3025566, 4538349, 9076698, 13615047, 27230094, 40845141, 81690282]

約数ペア:

[(1, 81690282), (2, 40845141), (3, 27230094), (6, 13615047), (9, 9076698), (18, 4538349), (27, 3025566), (43, 1899774), (54, 1512783), (81, 1008522), (86, 949887), (129, 633258), (162, 504261), (243, 336174), (258, 316629), (387, 211086), (486, 168087), (729, 112058), (774, 105543), (1161, 70362), (1303, 62694), (1458, 56029), (2322, 35181), (2606, 31347), (3483, 23454), (3909, 20898), (6966, 11727), (7818, 10449)]