2491503

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{997}}^1$

素因数の和:1031

約数の個数: 24

約数和(自身を含む): 4095792

約数和(自身を除く): 1604289

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 833, 997, 2499, 2991, 6979, 16949, 20937, 48853, 50847, 118643, 146559, 355929, 830501, 2491503]

約数ペア:

[(1, 2491503), (3, 830501), (7, 355929), (17, 146559), (21, 118643), (49, 50847), (51, 48853), (119, 20937), (147, 16949), (357, 6979), (833, 2991), (997, 2499)]