254993661

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{457}}^1$

素因数の和:746

約数の個数: 48

約数和(自身を含む): 420114240

約数和(自身を除く): 165120579

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 251, 457, 741, 753, 1371, 2223, 2259, 3263, 4113, 4769, 5941, 8683, 9789, 14307, 17823, 26049, 29367, 42921, 53469, 61997, 78147, 112879, 114707, 185991, 338637, 344121, 557973, 1015911, 1032363, 1491191, 2179433, 4473573, 6538299, 13420719, 19614897, 28332629, 84997887, 254993661]

約数ペア:

[(1, 254993661), (3, 84997887), (9, 28332629), (13, 19614897), (19, 13420719), (39, 6538299), (57, 4473573), (117, 2179433), (171, 1491191), (247, 1032363), (251, 1015911), (457, 557973), (741, 344121), (753, 338637), (1371, 185991), (2223, 114707), (2259, 112879), (3263, 78147), (4113, 61997), (4769, 53469), (5941, 42921), (8683, 29367), (9789, 26049), (14307, 17823)]