199765251

素因数分解:

$3^3\times 7^1\times {\mathrm{1056959}}^1$

素因数の和:1056975

約数の個数: 16

約数和(自身を含む): 338227200

約数和(自身を除く): 138461949

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1056959, 3170877, 7398713, 9512631, 22196139, 28537893, 66588417, 199765251]

約数ペア:

[(1, 199765251), (3, 66588417), (7, 28537893), (9, 22196139), (21, 9512631), (27, 7398713), (63, 3170877), (189, 1056959)]