199997181

素因数分解:

$3^4\times {\mathrm{233}}^1\times {\mathrm{10597}}^1$

素因数の和:10842

約数の個数: 20

約数和(自身を含む): 300071772

約数和(自身を除く): 100074591

約数列:

[1, 3, 9, 27, 81, 233, 699, 2097, 6291, 10597, 18873, 31791, 95373, 286119, 858357, 2469101, 7407303, 22221909, 66665727, 199997181]

約数ペア:

[(1, 199997181), (3, 66665727), (9, 22221909), (27, 7407303), (81, 2469101), (233, 858357), (699, 286119), (2097, 95373), (6291, 31791), (10597, 18873)]