209571339

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{443}}^1\times {\mathrm{2221}}^1$

素因数の和:2738

約数の個数: 16

約数和(自身を含む): 284131584

約数和(自身を除く): 74560245

約数列:

[1, 3, 71, 213, 443, 1329, 2221, 6663, 31453, 94359, 157691, 473073, 983903, 2951709, 69857113, 209571339]

約数ペア:

[(1, 209571339), (3, 69857113), (71, 2951709), (213, 983903), (443, 473073), (1329, 157691), (2221, 94359), (6663, 31453)]