291260367

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{189253}}^1$

素因数の和:189284

約数の個数: 20

約数和(自身を含む): 457994680

約数和(自身を除く): 166734313

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 189253, 567759, 1703277, 3595807, 5109831, 10787421, 15329493, 32362263, 97086789, 291260367]

約数ペア:

[(1, 291260367), (3, 97086789), (9, 32362263), (19, 15329493), (27, 10787421), (57, 5109831), (81, 3595807), (171, 1703277), (513, 567759), (1539, 189253)]