28200783

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1$

素因数の和:399

約数の個数: 32

約数和(自身を含む): 42739200

約数和(自身を除く): 14538417

約数列:

[1, 3, 13, 23, 39, 69, 149, 211, 299, 447, 633, 897, 1937, 2743, 3427, 4853, 5811, 8229, 10281, 14559, 31439, 44551, 63089, 94317, 133653, 189267, 408707, 723097, 1226121, 2169291, 9400261, 28200783]

約数ペア:

[(1, 28200783), (3, 9400261), (13, 2169291), (23, 1226121), (39, 723097), (69, 408707), (149, 189267), (211, 133653), (299, 94317), (447, 63089), (633, 44551), (897, 31439), (1937, 14559), (2743, 10281), (3427, 8229), (4853, 5811)]