208092609

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{503}}^1\times {\mathrm{1069}}^1$

素因数の和:1621

約数の個数: 24

約数和(自身を含む): 308468160

約数和(自身を除く): 100375551

約数列:

[1, 3, 9, 43, 129, 387, 503, 1069, 1509, 3207, 4527, 9621, 21629, 45967, 64887, 137901, 194661, 413703, 537707, 1613121, 4839363, 23121401, 69364203, 208092609]

約数ペア:

[(1, 208092609), (3, 69364203), (9, 23121401), (43, 4839363), (129, 1613121), (387, 537707), (503, 413703), (1069, 194661), (1509, 137901), (3207, 64887), (4527, 45967), (9621, 21629)]