205280559

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{283}}^1\times {\mathrm{431}}^1$

素因数の和:748

約数の個数: 48

約数和(自身を含む): 344507904

約数和(自身を除く): 139227345

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 153, 187, 283, 431, 561, 849, 1293, 1683, 2547, 3113, 3879, 4741, 4811, 7327, 9339, 14223, 14433, 21981, 28017, 42669, 43299, 52921, 65943, 80597, 121973, 158763, 241791, 365919, 476289, 725373, 1097757, 1341703, 2073541, 4025109, 6220623, 12075327, 18661869, 22808951, 68426853, 205280559]

約数ペア:

[(1, 205280559), (3, 68426853), (9, 22808951), (11, 18661869), (17, 12075327), (33, 6220623), (51, 4025109), (99, 2073541), (153, 1341703), (187, 1097757), (283, 725373), (431, 476289), (561, 365919), (849, 241791), (1293, 158763), (1683, 121973), (2547, 80597), (3113, 65943), (3879, 52921), (4741, 43299), (4811, 42669), (7327, 28017), (9339, 21981), (14223, 14433)]