66486987

素因数分解:

$3^7\times 7^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:172

約数の個数: 64

約数和(自身を含む): 117765120

約数和(自身を除く): 51278133

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 81, 101, 129, 189, 243, 301, 303, 387, 567, 707, 729, 903, 909, 1161, 1701, 2121, 2187, 2709, 2727, 3483, 4343, 5103, 6363, 8127, 8181, 10449, 13029, 15309, 19089, 24381, 24543, 30401, 31347, 39087, 57267, 73143, 73629, 91203, 94041, 117261, 171801, 219429, 220887, 273609, 351783, 515403, 658287, 820827, 1055349, 1546209, 2462481, 3166047, 7387443, 9498141, 22162329, 66486987]

約数ペア:

[(1, 66486987), (3, 22162329), (7, 9498141), (9, 7387443), (21, 3166047), (27, 2462481), (43, 1546209), (63, 1055349), (81, 820827), (101, 658287), (129, 515403), (189, 351783), (243, 273609), (301, 220887), (303, 219429), (387, 171801), (567, 117261), (707, 94041), (729, 91203), (903, 73629), (909, 73143), (1161, 57267), (1701, 39087), (2121, 31347), (2187, 30401), (2709, 24543), (2727, 24381), (3483, 19089), (4343, 15309), (5103, 13029), (6363, 10449), (8127, 8181)]