245643951

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{761}}^1\times {\mathrm{809}}^1$

素因数の和:1599

約数の個数: 32

約数和(自身を含む): 395020800

約数和(自身を除く): 149376849

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 761, 809, 2283, 2427, 5327, 5663, 14459, 15371, 15981, 16989, 43377, 46113, 101213, 107597, 303639, 322791, 615649, 1846947, 4309543, 11697331, 12928629, 35091993, 81881317, 245643951]

約数ペア:

[(1, 245643951), (3, 81881317), (7, 35091993), (19, 12928629), (21, 11697331), (57, 4309543), (133, 1846947), (399, 615649), (761, 322791), (809, 303639), (2283, 107597), (2427, 101213), (5327, 46113), (5663, 43377), (14459, 16989), (15371, 15981)]