243313791

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{609809}}^1$

素因数の和:609838

約数の個数: 16

約数和(自身を含む): 390278400

約数和(自身を除く): 146964609

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 609809, 1829427, 4268663, 11586371, 12805989, 34759113, 81104597, 243313791]

約数ペア:

[(1, 243313791), (3, 81104597), (7, 34759113), (19, 12805989), (21, 11586371), (57, 4268663), (133, 1829427), (399, 609809)]