211028727

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{563}}^1\times {\mathrm{1373}}^1$

素因数の和:1959

約数の個数: 32

約数和(自身を含む): 347171328

約数和(自身を除く): 136142601

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 563, 1373, 1689, 3941, 4119, 7319, 9611, 11823, 17849, 21957, 28833, 51233, 53547, 124943, 153699, 374829, 772999, 2318997, 5410993, 10048987, 16232979, 30146961, 70342909, 211028727]

約数ペア:

[(1, 211028727), (3, 70342909), (7, 30146961), (13, 16232979), (21, 10048987), (39, 5410993), (91, 2318997), (273, 772999), (563, 374829), (1373, 153699), (1689, 124943), (3941, 53547), (4119, 51233), (7319, 28833), (9611, 21957), (11823, 17849)]