66856419

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{337}}^1$

素因数の和:464

約数の個数: 48

約数和(自身を含む): 114736128

約数和(自身を除く): 47879709

約数列:

[1, 3, 7, 9, 21, 47, 63, 67, 141, 201, 329, 337, 423, 469, 603, 987, 1011, 1407, 2359, 2961, 3033, 3149, 4221, 7077, 9447, 15839, 21231, 22043, 22579, 28341, 47517, 66129, 67737, 110873, 142551, 158053, 198387, 203211, 332619, 474159, 997857, 1061213, 1422477, 3183639, 7428491, 9550917, 22285473, 66856419]

約数ペア:

[(1, 66856419), (3, 22285473), (7, 9550917), (9, 7428491), (21, 3183639), (47, 1422477), (63, 1061213), (67, 997857), (141, 474159), (201, 332619), (329, 203211), (337, 198387), (423, 158053), (469, 142551), (603, 110873), (987, 67737), (1011, 66129), (1407, 47517), (2359, 28341), (2961, 22579), (3033, 22043), (3149, 21231), (4221, 15839), (7077, 9447)]