2564289

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:158

約数の個数: 48

約数和(自身を含む): 4752384

約数和(自身を除く): 2188095

約数列:

[1, 3, 7, 9, 13, 21, 31, 39, 63, 91, 93, 101, 117, 217, 273, 279, 303, 403, 651, 707, 819, 909, 1209, 1313, 1953, 2121, 2821, 3131, 3627, 3939, 6363, 8463, 9191, 9393, 11817, 21917, 25389, 27573, 28179, 40703, 65751, 82719, 122109, 197253, 284921, 366327, 854763, 2564289]

約数ペア:

[(1, 2564289), (3, 854763), (7, 366327), (9, 284921), (13, 197253), (21, 122109), (31, 82719), (39, 65751), (63, 40703), (91, 28179), (93, 27573), (101, 25389), (117, 21917), (217, 11817), (273, 9393), (279, 9191), (303, 8463), (403, 6363), (651, 3939), (707, 3627), (819, 3131), (909, 2821), (1209, 2121), (1313, 1953)]