217435533

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{557}}^1\times {\mathrm{641}}^1$

素因数の和:1237

約数の個数: 32

約数和(自身を含む): 343906560

約数和(自身を除く): 126471027

約数列:

[1, 3, 7, 21, 29, 87, 203, 557, 609, 641, 1671, 1923, 3899, 4487, 11697, 13461, 16153, 18589, 48459, 55767, 113071, 130123, 339213, 357037, 390369, 1071111, 2499259, 7497777, 10354073, 31062219, 72478511, 217435533]

約数ペア:

[(1, 217435533), (3, 72478511), (7, 31062219), (21, 10354073), (29, 7497777), (87, 2499259), (203, 1071111), (557, 390369), (609, 357037), (641, 339213), (1671, 130123), (1923, 113071), (3899, 55767), (4487, 48459), (11697, 18589), (13461, 16153)]