281427993

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{135367}}^1$

素因数の和:135394

約数の個数: 32

約数和(自身を含む): 519813120

約数和(自身を除く): 238385127

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 189, 231, 297, 693, 2079, 135367, 406101, 947569, 1218303, 1489037, 2842707, 3654909, 4467111, 8528121, 10423259, 13401333, 25584363, 31269777, 40203999, 93809331, 281427993]

約数ペア:

[(1, 281427993), (3, 93809331), (7, 40203999), (9, 31269777), (11, 25584363), (21, 13401333), (27, 10423259), (33, 8528121), (63, 4467111), (77, 3654909), (99, 2842707), (189, 1489037), (231, 1218303), (297, 947569), (693, 406101), (2079, 135367)]