221437233

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{51581}}^1$

素因数の和:51646

約数の個数: 20

約数和(自身を含む): 337036788

約数和(自身を除く): 115599555

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 4293, 51581, 154743, 464229, 1392687, 2733793, 4178061, 8201379, 24604137, 73812411, 221437233]

約数ペア:

[(1, 221437233), (3, 73812411), (9, 24604137), (27, 8201379), (53, 4178061), (81, 2733793), (159, 1392687), (477, 464229), (1431, 154743), (4293, 51581)]