398729727

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{281}}^1\times {\mathrm{1303}}^1$

素因数の和:1612

約数の個数: 36

約数和(自身を含む): 635801712

約数和(自身を除く): 237071985

約数列:

[1, 3, 9, 11, 33, 99, 121, 281, 363, 843, 1089, 1303, 2529, 3091, 3909, 9273, 11727, 14333, 27819, 34001, 42999, 102003, 128997, 157663, 306009, 366143, 472989, 1098429, 1418967, 3295287, 4027573, 12082719, 36248157, 44303303, 132909909, 398729727]

約数ペア:

[(1, 398729727), (3, 132909909), (9, 44303303), (11, 36248157), (33, 12082719), (99, 4027573), (121, 3295287), (281, 1418967), (363, 1098429), (843, 472989), (1089, 366143), (1303, 306009), (2529, 157663), (3091, 128997), (3909, 102003), (9273, 42999), (11727, 34001), (14333, 27819)]