221796729

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{320053}}^1$

素因数の和:320077

約数の個数: 24

約数和(自身を含む): 399427392

約数和(自身を除く): 177630663

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 320053, 960159, 2240371, 2880477, 3520583, 6721113, 10561749, 20163339, 24644081, 31685247, 73932243, 221796729]

約数ペア:

[(1, 221796729), (3, 73932243), (7, 31685247), (9, 24644081), (11, 20163339), (21, 10561749), (33, 6721113), (63, 3520583), (77, 2880477), (99, 2240371), (231, 960159), (693, 320053)]