15516225

素因数分解:

$3^3\times 5^2\times {\mathrm{127}}^1\times {\mathrm{181}}^1$

素因数の和:327

約数の個数: 48

約数和(自身を含む): 28887040

約数和(自身を除く): 13370815

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 127, 135, 181, 225, 381, 543, 635, 675, 905, 1143, 1629, 1905, 2715, 3175, 3429, 4525, 4887, 5715, 8145, 9525, 13575, 17145, 22987, 24435, 28575, 40725, 68961, 85725, 114935, 122175, 206883, 344805, 574675, 620649, 1034415, 1724025, 3103245, 5172075, 15516225]

約数ペア:

[(1, 15516225), (3, 5172075), (5, 3103245), (9, 1724025), (15, 1034415), (25, 620649), (27, 574675), (45, 344805), (75, 206883), (127, 122175), (135, 114935), (181, 85725), (225, 68961), (381, 40725), (543, 28575), (635, 24435), (675, 22987), (905, 17145), (1143, 13575), (1629, 9525), (1905, 8145), (2715, 5715), (3175, 4887), (3429, 4525)]