26009217

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 42771456

約数和(自身を除く): 16762239

約数列:

[1, 3, 9, 13, 31, 39, 71, 93, 101, 117, 213, 279, 303, 403, 639, 909, 923, 1209, 1313, 2201, 2769, 3131, 3627, 3939, 6603, 7171, 8307, 9393, 11817, 19809, 21513, 28179, 28613, 40703, 64539, 85839, 93223, 122109, 222301, 257517, 279669, 366327, 666903, 839007, 2000709, 2889913, 8669739, 26009217]

約数ペア:

[(1, 26009217), (3, 8669739), (9, 2889913), (13, 2000709), (31, 839007), (39, 666903), (71, 366327), (93, 279669), (101, 257517), (117, 222301), (213, 122109), (279, 93223), (303, 85839), (403, 64539), (639, 40703), (909, 28613), (923, 28179), (1209, 21513), (1313, 19809), (2201, 11817), (2769, 9393), (3131, 8307), (3627, 7171), (3939, 6603)]