168372813

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{421987}}^1$

素因数の和:422016

約数の個数: 16

約数和(自身を含む): 270072320

約数和(自身を除く): 101699507

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 421987, 1265961, 2953909, 8017753, 8861727, 24053259, 56124271, 168372813]

約数ペア:

[(1, 168372813), (3, 56124271), (7, 24053259), (19, 8861727), (21, 8017753), (57, 2953909), (133, 1265961), (399, 421987)]