26579205

素因数分解:

$3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:191

約数の個数: 64

約数和(自身を含む): 49766400

約数和(自身を除く): 23187195

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 59, 71, 135, 141, 177, 213, 235, 295, 355, 423, 531, 639, 705, 885, 1065, 1269, 1593, 1917, 2115, 2655, 2773, 3195, 3337, 4189, 6345, 7965, 8319, 9585, 10011, 12567, 13865, 16685, 20945, 24957, 30033, 37701, 41595, 50055, 62835, 74871, 90099, 113103, 124785, 150165, 188505, 196883, 374355, 450495, 565515, 590649, 984415, 1771947, 2953245, 5315841, 8859735, 26579205]

約数ペア:

[(1, 26579205), (3, 8859735), (5, 5315841), (9, 2953245), (15, 1771947), (27, 984415), (45, 590649), (47, 565515), (59, 450495), (71, 374355), (135, 196883), (141, 188505), (177, 150165), (213, 124785), (235, 113103), (295, 90099), (355, 74871), (423, 62835), (531, 50055), (639, 41595), (705, 37701), (885, 30033), (1065, 24957), (1269, 20945), (1593, 16685), (1917, 13865), (2115, 12567), (2655, 10011), (2773, 9585), (3195, 8319), (3337, 7965), (4189, 6345)]