39730257

素因数分解:

$3^5\times 7^1\times {\mathrm{23357}}^1$

素因数の和:23379

約数の個数: 24

約数和(自身を含む): 68018496

約数和(自身を除く): 28288239

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 23357, 70071, 163499, 210213, 490497, 630639, 1471491, 1891917, 4414473, 5675751, 13243419, 39730257]

約数ペア:

[(1, 39730257), (3, 13243419), (7, 5675751), (9, 4414473), (21, 1891917), (27, 1471491), (63, 630639), (81, 490497), (189, 210213), (243, 163499), (567, 70071), (1701, 23357)]