72080813

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{557}}^1$

素因数の和:729

約数の個数: 24

約数和(自身を含む): 89056800

約数和(自身を除く): 16975987

約数列:

[1, 7, 19, 49, 133, 139, 557, 931, 973, 2641, 3899, 6811, 10583, 18487, 27293, 74081, 77423, 129409, 518567, 541961, 1471037, 3793727, 10297259, 72080813]

約数ペア:

[(1, 72080813), (7, 10297259), (19, 3793727), (49, 1471037), (133, 541961), (139, 518567), (557, 129409), (931, 77423), (973, 74081), (2641, 27293), (3899, 18487), (6811, 10583)]