219512985

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{2741}}^1$

素因数の和:3049

約数の個数: 32

約数和(自身を含む): 371157120

約数和(自身を除く): 151644135

約数列:

[1, 3, 5, 15, 19, 57, 95, 281, 285, 843, 1405, 2741, 4215, 5339, 8223, 13705, 16017, 26695, 41115, 52079, 80085, 156237, 260395, 770221, 781185, 2310663, 3851105, 11553315, 14634199, 43902597, 73170995, 219512985]

約数ペア:

[(1, 219512985), (3, 73170995), (5, 43902597), (15, 14634199), (19, 11553315), (57, 3851105), (95, 2310663), (281, 781185), (285, 770221), (843, 260395), (1405, 156237), (2741, 80085), (4215, 52079), (5339, 41115), (8223, 26695), (13705, 16017)]