172400517

素因数分解:

$3^2\times {\mathrm{31}}^3\times {\mathrm{643}}^1$

素因数の和:742

約数の個数: 24

約数和(自身を含む): 257723648

約数和(自身を除く): 85323131

約数列:

[1, 3, 9, 31, 93, 279, 643, 961, 1929, 2883, 5787, 8649, 19933, 29791, 59799, 89373, 179397, 268119, 617923, 1853769, 5561307, 19155613, 57466839, 172400517]

約数ペア:

[(1, 172400517), (3, 57466839), (9, 19155613), (31, 5561307), (93, 1853769), (279, 617923), (643, 268119), (961, 179397), (1929, 89373), (2883, 59799), (5787, 29791), (8649, 19933)]