257430303

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{4463}}^1$

素因数の和:4528

約数の個数: 48

約数和(自身を含む): 438721920

約数和(自身を除く): 181291617

約数列:

[1, 3, 9, 13, 17, 29, 39, 51, 87, 117, 153, 221, 261, 377, 493, 663, 1131, 1479, 1989, 3393, 4437, 4463, 6409, 13389, 19227, 40167, 57681, 58019, 75871, 129427, 174057, 227613, 388281, 522171, 682839, 986323, 1164843, 1682551, 2200259, 2958969, 5047653, 6600777, 8876907, 15142959, 19802331, 28603367, 85810101, 257430303]

約数ペア:

[(1, 257430303), (3, 85810101), (9, 28603367), (13, 19802331), (17, 15142959), (29, 8876907), (39, 6600777), (51, 5047653), (87, 2958969), (117, 2200259), (153, 1682551), (221, 1164843), (261, 986323), (377, 682839), (493, 522171), (663, 388281), (1131, 227613), (1479, 174057), (1989, 129427), (3393, 75871), (4437, 58019), (4463, 57681), (6409, 40167), (13389, 19227)]