218924739

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{51427}}^1$

素因数の和:51487

約数の個数: 24

約数和(自身を含む): 353001792

約数和(自身を除く): 134077053

約数列:

[1, 3, 9, 11, 33, 43, 99, 129, 387, 473, 1419, 4257, 51427, 154281, 462843, 565697, 1697091, 2211361, 5091273, 6634083, 19902249, 24324971, 72974913, 218924739]

約数ペア:

[(1, 218924739), (3, 72974913), (9, 24324971), (11, 19902249), (33, 6634083), (43, 5091273), (99, 2211361), (129, 1697091), (387, 565697), (473, 462843), (1419, 154281), (4257, 51427)]