81757764

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^2\times {\mathrm{137}}^2$

素因数の和:306

約数の個数: 81

約数和(自身を含む): 228831421

約数和(自身を除く): 147073657

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 121, 132, 137, 198, 242, 274, 363, 396, 411, 484, 548, 726, 822, 1089, 1233, 1452, 1507, 1644, 2178, 2466, 3014, 4356, 4521, 4932, 6028, 9042, 13563, 16577, 18084, 18769, 27126, 33154, 37538, 49731, 54252, 56307, 66308, 75076, 99462, 112614, 149193, 168921, 198924, 206459, 225228, 298386, 337842, 412918, 596772, 619377, 675684, 825836, 1238754, 1858131, 2271049, 2477508, 3716262, 4542098, 6813147, 7432524, 9084196, 13626294, 20439441, 27252588, 40878882, 81757764]

約数ペア:

[(1, 81757764), (2, 40878882), (3, 27252588), (4, 20439441), (6, 13626294), (9, 9084196), (11, 7432524), (12, 6813147), (18, 4542098), (22, 3716262), (33, 2477508), (36, 2271049), (44, 1858131), (66, 1238754), (99, 825836), (121, 675684), (132, 619377), (137, 596772), (198, 412918), (242, 337842), (274, 298386), (363, 225228), (396, 206459), (411, 198924), (484, 168921), (548, 149193), (726, 112614), (822, 99462), (1089, 75076), (1233, 66308), (1452, 56307), (1507, 54252), (1644, 49731), (2178, 37538), (2466, 33154), (3014, 27126), (4356, 18769), (4521, 18084), (4932, 16577), (6028, 13563)]