199919973

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{283}}^1\times {\mathrm{21407}}^1$

素因数の和:21704

約数の個数: 16

約数和(自身を含む): 291833856

約数和(自身を除く): 91913883

約数列:

[1, 3, 11, 33, 283, 849, 3113, 9339, 21407, 64221, 235477, 706431, 6058181, 18174543, 66639991, 199919973]

約数ペア:

[(1, 199919973), (3, 66639991), (11, 18174543), (33, 6058181), (283, 706431), (849, 235477), (3113, 64221), (9339, 21407)]