221631657

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{1171}}^1$

素因数の和:1421

約数の個数: 32

約数和(自身を含む): 333935616

約数和(自身を除く): 112303959

約数列:

[1, 3, 13, 23, 39, 69, 211, 299, 633, 897, 1171, 2743, 3513, 4853, 8229, 14559, 15223, 26933, 45669, 63089, 80799, 189267, 247081, 350129, 741243, 1050387, 3212053, 5682863, 9636159, 17048589, 73877219, 221631657]

約数ペア:

[(1, 221631657), (3, 73877219), (13, 17048589), (23, 9636159), (39, 5682863), (69, 3212053), (211, 1050387), (299, 741243), (633, 350129), (897, 247081), (1171, 189267), (2743, 80799), (3513, 63089), (4853, 45669), (8229, 26933), (14559, 15223)]