2178747831

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{281}}^1\times {\mathrm{373}}^1$

素因数の和:724

約数の個数: 48

約数和(自身を含む): 3242508192

約数和(自身を除く): 1063760361

約数列:

[1, 3, 13, 39, 41, 123, 169, 281, 373, 507, 533, 843, 1119, 1599, 3653, 4849, 6929, 10959, 11521, 14547, 15293, 20787, 34563, 45879, 47489, 63037, 104813, 142467, 149773, 189111, 198809, 314439, 449319, 596427, 1362569, 1947049, 2584517, 4087707, 4297333, 5841147, 7753551, 12891999, 17713397, 53140191, 55865329, 167595987, 726249277, 2178747831]

約数ペア:

[(1, 2178747831), (3, 726249277), (13, 167595987), (39, 55865329), (41, 53140191), (123, 17713397), (169, 12891999), (281, 7753551), (373, 5841147), (507, 4297333), (533, 4087707), (843, 2584517), (1119, 1947049), (1599, 1362569), (3653, 596427), (4849, 449319), (6929, 314439), (10959, 198809), (11521, 189111), (14547, 149773), (15293, 142467), (20787, 104813), (34563, 63037), (45879, 47489)]