690339

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{571}}^1$

素因数の和:618

約数の個数: 16

約数和(自身を含む): 1025024

約数和(自身を除く): 334685

約数列:

[1, 3, 13, 31, 39, 93, 403, 571, 1209, 1713, 7423, 17701, 22269, 53103, 230113, 690339]

約数ペア:

[(1, 690339), (3, 230113), (13, 53103), (31, 22269), (39, 17701), (93, 7423), (403, 1713), (571, 1209)]