668199

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{677}}^1$

素因数の和:734

約数の個数: 16

約数和(自身を含む): 1041408

約数和(自身を除く): 373209

約数列:

[1, 3, 7, 21, 47, 141, 329, 677, 987, 2031, 4739, 14217, 31819, 95457, 222733, 668199]

約数ペア:

[(1, 668199), (3, 222733), (7, 95457), (21, 31819), (47, 14217), (141, 4739), (329, 2031), (677, 987)]