1231270887

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1\times {\mathrm{431}}^1$

素因数の和:684

約数の個数: 64

約数和(自身を含む): 2090188800

約数和(自身を除く): 858917913

約数列:

[1, 3, 7, 11, 21, 33, 77, 83, 149, 231, 249, 431, 447, 581, 913, 1043, 1293, 1639, 1743, 2739, 3017, 3129, 4741, 4917, 6391, 9051, 11473, 12367, 14223, 19173, 33187, 34419, 35773, 37101, 64219, 86569, 99561, 107319, 136037, 192657, 250411, 259707, 393503, 408111, 449533, 706409, 751233, 952259, 1180509, 1348599, 2119227, 2754521, 2856777, 4944863, 5330177, 8263563, 14834589, 15990531, 37311239, 58631947, 111933717, 175895841, 410423629, 1231270887]

約数ペア:

[(1, 1231270887), (3, 410423629), (7, 175895841), (11, 111933717), (21, 58631947), (33, 37311239), (77, 15990531), (83, 14834589), (149, 8263563), (231, 5330177), (249, 4944863), (431, 2856777), (447, 2754521), (581, 2119227), (913, 1348599), (1043, 1180509), (1293, 952259), (1639, 751233), (1743, 706409), (2739, 449533), (3017, 408111), (3129, 393503), (4741, 259707), (4917, 250411), (6391, 192657), (9051, 136037), (11473, 107319), (12367, 99561), (14223, 86569), (19173, 64219), (33187, 37101), (34419, 35773)]