199341387

素因数分解:

$3^2\times 7^1\times {\mathrm{167}}^1\times {\mathrm{18947}}^1$

素因数の和:19127

約数の個数: 24

約数和(自身を含む): 331059456

約数和(自身を除く): 131718069

約数列:

[1, 3, 7, 9, 21, 63, 167, 501, 1169, 1503, 3507, 10521, 18947, 56841, 132629, 170523, 397887, 1193661, 3164149, 9492447, 22149043, 28477341, 66447129, 199341387]

約数ペア:

[(1, 199341387), (3, 66447129), (7, 28477341), (9, 22149043), (21, 9492447), (63, 3164149), (167, 1193661), (501, 397887), (1169, 170523), (1503, 132629), (3507, 56841), (10521, 18947)]