30080781

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{307}}^1$

素因数の和:526

約数の個数: 32

約数和(自身を含む): 47308800

約数和(自身を除く): 17228019

約数列:

[1, 3, 9, 19, 27, 57, 171, 191, 307, 513, 573, 921, 1719, 2763, 3629, 5157, 5833, 8289, 10887, 17499, 32661, 52497, 58637, 97983, 157491, 175911, 527733, 1114103, 1583199, 3342309, 10026927, 30080781]

約数ペア:

[(1, 30080781), (3, 10026927), (9, 3342309), (19, 1583199), (27, 1114103), (57, 527733), (171, 175911), (191, 157491), (307, 97983), (513, 58637), (573, 52497), (921, 32661), (1719, 17499), (2763, 10887), (3629, 8289), (5157, 5833)]