72809345

素因数分解:

$5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{6323}}^1$

素因数の和:6389

約数の個数: 24

約数和(自身を含む): 103814784

約数和(自身を除く): 31005439

約数列:

[1, 5, 7, 35, 47, 49, 235, 245, 329, 1645, 2303, 6323, 11515, 31615, 44261, 221305, 297181, 309827, 1485905, 1549135, 2080267, 10401335, 14561869, 72809345]

約数ペア:

[(1, 72809345), (5, 14561869), (7, 10401335), (35, 2080267), (47, 1549135), (49, 1485905), (235, 309827), (245, 297181), (329, 221305), (1645, 44261), (2303, 31615), (6323, 11515)]