121123317

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{491}}^1\times {\mathrm{691}}^1$

素因数の和:1209

約数の個数: 32

約数和(自身を含む): 196107264

約数和(自身を除く): 74983947

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 491, 691, 1473, 2073, 3437, 4837, 8347, 10311, 11747, 14511, 25041, 35241, 58429, 82229, 175287, 246687, 339281, 1017843, 2374967, 5767777, 7124901, 17303331, 40374439, 121123317]

約数ペア:

[(1, 121123317), (3, 40374439), (7, 17303331), (17, 7124901), (21, 5767777), (51, 2374967), (119, 1017843), (357, 339281), (491, 246687), (691, 175287), (1473, 82229), (2073, 58429), (3437, 35241), (4837, 25041), (8347, 14511), (10311, 11747)]