223932681

素因数分解:

$3^4\times 7^1\times {\mathrm{394943}}^1$

素因数の和:394962

約数の個数: 20

約数和(自身を含む): 382305792

約数和(自身を除く): 158373111

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 394943, 1184829, 2764601, 3554487, 8293803, 10663461, 24881409, 31990383, 74644227, 223932681]

約数ペア:

[(1, 223932681), (3, 74644227), (7, 31990383), (9, 24881409), (21, 10663461), (27, 8293803), (63, 3554487), (81, 2764601), (189, 1184829), (567, 394943)]