81967149

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{431}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 138288384

約数和(自身を除く): 56321235

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 113, 153, 187, 339, 431, 561, 1017, 1243, 1293, 1683, 1921, 3729, 3879, 4741, 5763, 7327, 11187, 14223, 17289, 21131, 21981, 42669, 48703, 63393, 65943, 80597, 146109, 190179, 241791, 438327, 535733, 725373, 827951, 1607199, 2483853, 4821597, 7451559, 9107461, 27322383, 81967149]

約数ペア:

[(1, 81967149), (3, 27322383), (9, 9107461), (11, 7451559), (17, 4821597), (33, 2483853), (51, 1607199), (99, 827951), (113, 725373), (153, 535733), (187, 438327), (339, 241791), (431, 190179), (561, 146109), (1017, 80597), (1243, 65943), (1293, 63393), (1683, 48703), (1921, 42669), (3729, 21981), (3879, 21131), (4741, 17289), (5763, 14223), (7327, 11187)]