2947725

素因数分解:

$3^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{397}}^1$

素因数の和:427

約数の個数: 48

約数和(自身を含む): 5922240

約数和(自身を除く): 2974515

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 33, 45, 55, 75, 99, 135, 165, 225, 275, 297, 397, 495, 675, 825, 1191, 1485, 1985, 2475, 3573, 4367, 5955, 7425, 9925, 10719, 13101, 17865, 21835, 29775, 39303, 53595, 65505, 89325, 109175, 117909, 196515, 267975, 327525, 589545, 982575, 2947725]

約数ペア:

[(1, 2947725), (3, 982575), (5, 589545), (9, 327525), (11, 267975), (15, 196515), (25, 117909), (27, 109175), (33, 89325), (45, 65505), (55, 53595), (75, 39303), (99, 29775), (135, 21835), (165, 17865), (225, 13101), (275, 10719), (297, 9925), (397, 7425), (495, 5955), (675, 4367), (825, 3573), (1191, 2475), (1485, 1985)]