68811519

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{1097}}^1$

素因数の和:1239

約数の個数: 32

約数和(自身を含む): 109624320

約数和(自身を除く): 40812801

約数列:

[1, 3, 7, 21, 29, 87, 103, 203, 309, 609, 721, 1097, 2163, 2987, 3291, 7679, 8961, 20909, 23037, 31813, 62727, 95439, 112991, 222691, 338973, 668073, 790937, 2372811, 3276739, 9830217, 22937173, 68811519]

約数ペア:

[(1, 68811519), (3, 22937173), (7, 9830217), (21, 3276739), (29, 2372811), (87, 790937), (103, 668073), (203, 338973), (309, 222691), (609, 112991), (721, 95439), (1097, 62727), (2163, 31813), (2987, 23037), (3291, 20909), (7679, 8961)]