551420863

素因数分解:

$7^6\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:194

約数の個数: 28

約数和(自身を含む): 664323880

約数和(自身を除く): 112903017

約数列:

[1, 7, 43, 49, 109, 301, 343, 763, 2107, 2401, 4687, 5341, 14749, 16807, 32809, 37387, 103243, 117649, 229663, 261709, 722701, 1607641, 1831963, 5058907, 11253487, 12823741, 78774409, 551420863]

約数ペア:

[(1, 551420863), (7, 78774409), (43, 12823741), (49, 11253487), (109, 5058907), (301, 1831963), (343, 1607641), (763, 722701), (2107, 261709), (2401, 229663), (4687, 117649), (5341, 103243), (14749, 37387), (16807, 32809)]