217876947

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{22367}}^1$

素因数の和:22578

約数の個数: 16

約数和(自身を含む): 309215232

約数和(自身を除く): 91338285

約数列:

[1, 3, 17, 51, 191, 573, 3247, 9741, 22367, 67101, 380239, 1140717, 4272097, 12816291, 72625649, 217876947]

約数ペア:

[(1, 217876947), (3, 72625649), (17, 12816291), (51, 4272097), (191, 1140717), (573, 380239), (3247, 67101), (9741, 22367)]