206589489

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{379}}^1$

素因数の和:605

約数の個数: 32

約数和(自身を含む): 296947200

約数和(自身を除く): 90357711

約数列:

[1, 3, 19, 57, 73, 131, 219, 379, 393, 1137, 1387, 2489, 4161, 7201, 7467, 9563, 21603, 27667, 28689, 49649, 83001, 148947, 181697, 525673, 545091, 943331, 1577019, 2829993, 3624377, 10873131, 68863163, 206589489]

約数ペア:

[(1, 206589489), (3, 68863163), (19, 10873131), (57, 3624377), (73, 2829993), (131, 1577019), (219, 943331), (379, 545091), (393, 525673), (1137, 181697), (1387, 148947), (2489, 83001), (4161, 49649), (7201, 28689), (7467, 27667), (9563, 21603)]