201998601

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{110563}}^1$

素因数の和:110605

約数の個数: 24

約数和(自身を含む): 344959680

約数和(自身を除く): 142961079

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 110563, 331689, 773941, 995067, 2321823, 3206327, 6965469, 9618981, 22444289, 28856943, 67332867, 201998601]

約数ペア:

[(1, 201998601), (3, 67332867), (7, 28856943), (9, 22444289), (21, 9618981), (29, 6965469), (63, 3206327), (87, 2321823), (203, 995067), (261, 773941), (609, 331689), (1827, 110563)]