28803075

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{661}}^1$

素因数の和:764

約数の個数: 48

約数和(自身を含む): 55163136

約数和(自身を除く): 26360061

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 83, 105, 175, 249, 415, 525, 581, 661, 1245, 1743, 1983, 2075, 2905, 3305, 4627, 6225, 8715, 9915, 13881, 14525, 16525, 23135, 43575, 49575, 54863, 69405, 115675, 164589, 274315, 347025, 384041, 822945, 1152123, 1371575, 1920205, 4114725, 5760615, 9601025, 28803075]

約数ペア:

[(1, 28803075), (3, 9601025), (5, 5760615), (7, 4114725), (15, 1920205), (21, 1371575), (25, 1152123), (35, 822945), (75, 384041), (83, 347025), (105, 274315), (175, 164589), (249, 115675), (415, 69405), (525, 54863), (581, 49575), (661, 43575), (1245, 23135), (1743, 16525), (1983, 14525), (2075, 13881), (2905, 9915), (3305, 8715), (4627, 6225)]