28003287

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{211}}^1$

素因数の和:351

約数の個数: 32

約数和(自身を含む): 41884416

約数和(自身を除く): 13881129

約数列:

[1, 3, 13, 39, 41, 83, 123, 211, 249, 533, 633, 1079, 1599, 2743, 3237, 3403, 8229, 8651, 10209, 17513, 25953, 44239, 52539, 112463, 132717, 227669, 337389, 683007, 718033, 2154099, 9334429, 28003287]

約数ペア:

[(1, 28003287), (3, 9334429), (13, 2154099), (39, 718033), (41, 683007), (83, 337389), (123, 227669), (211, 132717), (249, 112463), (533, 52539), (633, 44239), (1079, 25953), (1599, 17513), (2743, 10209), (3237, 8651), (3403, 8229)]