9989217

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3109}}^1$

素因数の和:3142

約数の個数: 32

約数和(自身を含む): 17913600

約数和(自身を除く): 7924383

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 119, 153, 189, 357, 459, 1071, 3109, 3213, 9327, 21763, 27981, 52853, 65289, 83943, 158559, 195867, 369971, 475677, 587601, 1109913, 1427031, 3329739, 9989217]

約数ペア:

[(1, 9989217), (3, 3329739), (7, 1427031), (9, 1109913), (17, 587601), (21, 475677), (27, 369971), (51, 195867), (63, 158559), (119, 83943), (153, 65289), (189, 52853), (357, 27981), (459, 21763), (1071, 9327), (3109, 3213)]