90990207

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{18757}}^1$

素因数の和:18788

約数の個数: 36

約数和(自身を含む): 166796136

約数和(自身を除く): 75805929

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 99, 147, 231, 441, 539, 693, 1617, 4851, 18757, 56271, 131299, 168813, 206327, 393897, 618981, 919093, 1181691, 1444289, 1856943, 2757279, 4332867, 8271837, 10110023, 12998601, 30330069, 90990207]

約数ペア:

[(1, 90990207), (3, 30330069), (7, 12998601), (9, 10110023), (11, 8271837), (21, 4332867), (33, 2757279), (49, 1856943), (63, 1444289), (77, 1181691), (99, 919093), (147, 618981), (231, 393897), (441, 206327), (539, 168813), (693, 131299), (1617, 56271), (4851, 18757)]