291288825

素因数分解:

$3^3\times 5^2\times {\mathrm{397}}^1\times {\mathrm{1087}}^1$

素因数の和:1503

約数の個数: 48

約数和(自身を含む): 536949760

約数和(自身を除く): 245660935

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 397, 675, 1087, 1191, 1985, 3261, 3573, 5435, 5955, 9783, 9925, 10719, 16305, 17865, 27175, 29349, 29775, 48915, 53595, 81525, 89325, 146745, 244575, 267975, 431539, 733725, 1294617, 2157695, 3883851, 6473085, 10788475, 11651553, 19419255, 32365425, 58257765, 97096275, 291288825]

約数ペア:

[(1, 291288825), (3, 97096275), (5, 58257765), (9, 32365425), (15, 19419255), (25, 11651553), (27, 10788475), (45, 6473085), (75, 3883851), (135, 2157695), (225, 1294617), (397, 733725), (675, 431539), (1087, 267975), (1191, 244575), (1985, 146745), (3261, 89325), (3573, 81525), (5435, 53595), (5955, 48915), (9783, 29775), (9925, 29349), (10719, 27175), (16305, 17865)]