17400663

素因数分解:

$3^4\times 7^1\times {\mathrm{30689}}^1$

素因数の和:30708

約数の個数: 20

約数和(自身を含む): 29707920

約数和(自身を除く): 12307257

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 30689, 92067, 214823, 276201, 644469, 828603, 1933407, 2485809, 5800221, 17400663]

約数ペア:

[(1, 17400663), (3, 5800221), (7, 2485809), (9, 1933407), (21, 828603), (27, 644469), (63, 276201), (81, 214823), (189, 92067), (567, 30689)]