28948761

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 46858240

約数和(自身を除く): 17909479

約数列:

[1, 3, 9, 19, 31, 43, 57, 93, 127, 129, 171, 279, 381, 387, 589, 817, 1143, 1333, 1767, 2413, 2451, 3937, 3999, 5301, 5461, 7239, 7353, 11811, 11997, 16383, 21717, 25327, 35433, 49149, 74803, 75981, 103759, 169291, 224409, 227943, 311277, 507873, 673227, 933831, 1523619, 3216529, 9649587, 28948761]

約数ペア:

[(1, 28948761), (3, 9649587), (9, 3216529), (19, 1523619), (31, 933831), (43, 673227), (57, 507873), (93, 311277), (127, 227943), (129, 224409), (171, 169291), (279, 103759), (381, 75981), (387, 74803), (589, 49149), (817, 35433), (1143, 25327), (1333, 21717), (1767, 16383), (2413, 11997), (2451, 11811), (3937, 7353), (3999, 7239), (5301, 5461)]