208887693

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{211639}}^1$

素因数の和:211696

約数の個数: 16

約数和(自身を含む): 325079040

約数和(自身を除く): 116191347

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 211639, 634917, 1481473, 4444419, 9947033, 29841099, 69629231, 208887693]

約数ペア:

[(1, 208887693), (3, 69629231), (7, 29841099), (21, 9947033), (47, 4444419), (141, 1481473), (329, 634917), (987, 211639)]