142217523

素因数分解:

$3^2\times 7^1\times {\mathrm{653}}^1\times {\mathrm{3457}}^1$

素因数の和:4123

約数の個数: 24

約数和(自身を含む): 235199328

約数和(自身を除く): 92981805

約数列:

[1, 3, 7, 9, 21, 63, 653, 1959, 3457, 4571, 5877, 10371, 13713, 24199, 31113, 41139, 72597, 217791, 2257421, 6772263, 15801947, 20316789, 47405841, 142217523]

約数ペア:

[(1, 142217523), (3, 47405841), (7, 20316789), (9, 15801947), (21, 6772263), (63, 2257421), (653, 217791), (1959, 72597), (3457, 41139), (4571, 31113), (5877, 24199), (10371, 13713)]