138840921

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{907457}}^1$

素因数の和:907480

約数の個数: 12

約数和(自身を含む): 212345172

約数和(自身を除く): 73504251

約数列:

[1, 3, 9, 17, 51, 153, 907457, 2722371, 8167113, 15426769, 46280307, 138840921]

約数ペア:

[(1, 138840921), (3, 46280307), (9, 15426769), (17, 8167113), (51, 2722371), (153, 907457)]