221036277

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{13477}}^1$

素因数の和:13569

約数の個数: 32

約数和(自身を含む): 372639744

約数和(自身を除く): 151603467

約数列:

[1, 3, 7, 11, 21, 33, 71, 77, 213, 231, 497, 781, 1491, 2343, 5467, 13477, 16401, 40431, 94339, 148247, 283017, 444741, 956867, 1037729, 2870601, 3113187, 6698069, 10525537, 20094207, 31576611, 73678759, 221036277]

約数ペア:

[(1, 221036277), (3, 73678759), (7, 31576611), (11, 20094207), (21, 10525537), (33, 6698069), (71, 3113187), (77, 2870601), (213, 1037729), (231, 956867), (497, 444741), (781, 283017), (1491, 148247), (2343, 94339), (5467, 40431), (13477, 16401)]