209971377

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{302989}}^1$

素因数の和:303013

約数の個数: 24

約数和(自身を含む): 378131520

約数和(自身を除く): 168160143

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 302989, 908967, 2120923, 2726901, 3332879, 6362769, 9998637, 19088307, 23330153, 29995911, 69990459, 209971377]

約数ペア:

[(1, 209971377), (3, 69990459), (7, 29995911), (9, 23330153), (11, 19088307), (21, 9998637), (33, 6362769), (63, 3332879), (77, 2726901), (99, 2120923), (231, 908967), (693, 302989)]