2021980149

素因数分解:

$3^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{111829}}^1$

素因数の和:111890

約数の個数: 36

約数和(自身を含む): 3480373260

約数和(自身を除く): 1458393111

約数列:

[1, 3, 7, 9, 21, 41, 49, 63, 123, 147, 287, 369, 441, 861, 2009, 2583, 6027, 18081, 111829, 335487, 782803, 1006461, 2348409, 4584989, 5479621, 7045227, 13754967, 16438863, 32094923, 41264901, 49316589, 96284769, 224664461, 288854307, 673993383, 2021980149]

約数ペア:

[(1, 2021980149), (3, 673993383), (7, 288854307), (9, 224664461), (21, 96284769), (41, 49316589), (49, 41264901), (63, 32094923), (123, 16438863), (147, 13754967), (287, 7045227), (369, 5479621), (441, 4584989), (861, 2348409), (2009, 1006461), (2583, 782803), (6027, 335487), (18081, 111829)]