208859217

素因数分解:

$3^1\times 7^3\times {\mathrm{202973}}^1$

素因数の和:202997

約数の個数: 16

約数和(自身を含む): 324758400

約数和(自身を除く): 115899183

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 202973, 608919, 1420811, 4262433, 9945677, 29837031, 69619739, 208859217]

約数ペア:

[(1, 208859217), (3, 69619739), (7, 29837031), (21, 9945677), (49, 4262433), (147, 1420811), (343, 608919), (1029, 202973)]