16887825

素因数分解:

$3^3\times 5^2\times {\mathrm{127}}^1\times {\mathrm{197}}^1$

素因数の和:343

約数の個数: 48

約数和(自身を含む): 31426560

約数和(自身を除く): 14538735

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 127, 135, 197, 225, 381, 591, 635, 675, 985, 1143, 1773, 1905, 2955, 3175, 3429, 4925, 5319, 5715, 8865, 9525, 14775, 17145, 25019, 26595, 28575, 44325, 75057, 85725, 125095, 132975, 225171, 375285, 625475, 675513, 1125855, 1876425, 3377565, 5629275, 16887825]

約数ペア:

[(1, 16887825), (3, 5629275), (5, 3377565), (9, 1876425), (15, 1125855), (25, 675513), (27, 625475), (45, 375285), (75, 225171), (127, 132975), (135, 125095), (197, 85725), (225, 75057), (381, 44325), (591, 28575), (635, 26595), (675, 25019), (985, 17145), (1143, 14775), (1773, 9525), (1905, 8865), (2955, 5715), (3175, 5319), (3429, 4925)]