249751509

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{397}}^1\times {\mathrm{1033}}^1$

素因数の和:1469

約数の個数: 32

約数和(自身を含む): 395070720

約数和(自身を除く): 145319211

約数列:

[1, 3, 7, 21, 29, 87, 203, 397, 609, 1033, 1191, 2779, 3099, 7231, 8337, 11513, 21693, 29957, 34539, 80591, 89871, 209699, 241773, 410101, 629097, 1230303, 2870707, 8612121, 11892929, 35678787, 83250503, 249751509]

約数ペア:

[(1, 249751509), (3, 83250503), (7, 35678787), (21, 11892929), (29, 8612121), (87, 2870707), (203, 1230303), (397, 629097), (609, 410101), (1033, 241773), (1191, 209699), (2779, 89871), (3099, 80591), (7231, 34539), (8337, 29957), (11513, 21693)]