261582867

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{10303}}^1$

素因数の和:10360

約数の個数: 48

約数和(自身を含む): 480083968

約数和(自身を除く): 218501101

約数列:

[1, 3, 7, 9, 13, 21, 31, 39, 63, 91, 93, 117, 217, 273, 279, 403, 651, 819, 1209, 1953, 2821, 3627, 8463, 10303, 25389, 30909, 72121, 92727, 133939, 216363, 319393, 401817, 649089, 937573, 958179, 1205451, 2235751, 2812719, 2874537, 4152109, 6707253, 8438157, 12456327, 20121759, 29064763, 37368981, 87194289, 261582867]

約数ペア:

[(1, 261582867), (3, 87194289), (7, 37368981), (9, 29064763), (13, 20121759), (21, 12456327), (31, 8438157), (39, 6707253), (63, 4152109), (91, 2874537), (93, 2812719), (117, 2235751), (217, 1205451), (273, 958179), (279, 937573), (403, 649089), (651, 401817), (819, 319393), (1209, 216363), (1953, 133939), (2821, 92727), (3627, 72121), (8463, 30909), (10303, 25389)]