208035261

素因数分解:

$3^2\times 7^1\times {\mathrm{751}}^1\times {\mathrm{4397}}^1$

素因数の和:5161

約数の個数: 24

約数和(自身を含む): 343958784

約数和(自身を除く): 135923523

約数列:

[1, 3, 7, 9, 21, 63, 751, 2253, 4397, 5257, 6759, 13191, 15771, 30779, 39573, 47313, 92337, 277011, 3302147, 9906441, 23115029, 29719323, 69345087, 208035261]

約数ペア:

[(1, 208035261), (3, 69345087), (7, 29719323), (9, 23115029), (21, 9906441), (63, 3302147), (751, 277011), (2253, 92337), (4397, 47313), (5257, 39573), (6759, 30779), (13191, 15771)]