81355554

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{419}}^1$

素因数の和:524

約数の個数: 96

約数和(自身を含む): 213857280

約数和(自身を除く): 132501726

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 42, 46, 63, 67, 69, 126, 134, 138, 161, 201, 207, 322, 402, 414, 419, 469, 483, 603, 838, 938, 966, 1206, 1257, 1407, 1449, 1541, 2514, 2814, 2898, 2933, 3082, 3771, 4221, 4623, 5866, 7542, 8442, 8799, 9246, 9637, 10787, 13869, 17598, 19274, 21574, 26397, 27738, 28073, 28911, 32361, 52794, 56146, 57822, 64722, 67459, 84219, 86733, 97083, 134918, 168438, 173466, 194166, 196511, 202377, 252657, 393022, 404754, 505314, 589533, 607131, 645679, 1179066, 1214262, 1291358, 1768599, 1937037, 3537198, 3874074, 4519753, 5811111, 9039506, 11622222, 13559259, 27118518, 40677777, 81355554]

約数ペア:

[(1, 81355554), (2, 40677777), (3, 27118518), (6, 13559259), (7, 11622222), (9, 9039506), (14, 5811111), (18, 4519753), (21, 3874074), (23, 3537198), (42, 1937037), (46, 1768599), (63, 1291358), (67, 1214262), (69, 1179066), (126, 645679), (134, 607131), (138, 589533), (161, 505314), (201, 404754), (207, 393022), (322, 252657), (402, 202377), (414, 196511), (419, 194166), (469, 173466), (483, 168438), (603, 134918), (838, 97083), (938, 86733), (966, 84219), (1206, 67459), (1257, 64722), (1407, 57822), (1449, 56146), (1541, 52794), (2514, 32361), (2814, 28911), (2898, 28073), (2933, 27738), (3082, 26397), (3771, 21574), (4221, 19274), (4623, 17598), (5866, 13869), (7542, 10787), (8442, 9637), (8799, 9246)]