664115931

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{311}}^1\times {\mathrm{821}}^1$

素因数の和:1172

約数の個数: 36

約数和(自身を含む): 1023547824

約数和(自身を除く): 359431893

約数列:

[1, 3, 9, 17, 51, 153, 289, 311, 821, 867, 933, 2463, 2601, 2799, 5287, 7389, 13957, 15861, 41871, 47583, 89879, 125613, 237269, 255331, 269637, 711807, 765993, 808911, 2135421, 2297979, 4340627, 13021881, 39065643, 73790659, 221371977, 664115931]

約数ペア:

[(1, 664115931), (3, 221371977), (9, 73790659), (17, 39065643), (51, 13021881), (153, 4340627), (289, 2297979), (311, 2135421), (821, 808911), (867, 765993), (933, 711807), (2463, 269637), (2601, 255331), (2799, 237269), (5287, 125613), (7389, 89879), (13957, 47583), (15861, 41871)]