209751171

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{2113}}^1$

素因数の和:2315

約数の個数: 32

約数和(自身を含む): 332828160

約数和(自身を除く): 123076989

約数列:

[1, 3, 7, 21, 29, 87, 163, 203, 489, 609, 1141, 2113, 3423, 4727, 6339, 14181, 14791, 33089, 44373, 61277, 99267, 183831, 344419, 428939, 1033257, 1286817, 2410933, 7232799, 9988151, 29964453, 69917057, 209751171]

約数ペア:

[(1, 209751171), (3, 69917057), (7, 29964453), (21, 9988151), (29, 7232799), (87, 2410933), (163, 1286817), (203, 1033257), (489, 428939), (609, 344419), (1141, 183831), (2113, 99267), (3423, 61277), (4727, 44373), (6339, 33089), (14181, 14791)]