551232513

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{68281}}^1$

素因数の和:68326

約数の個数: 32

約数和(自身を含む): 917710080

約数和(自身を除く): 366477567

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 117, 207, 299, 351, 621, 897, 2691, 8073, 68281, 204843, 614529, 887653, 1570463, 1843587, 2662959, 4711389, 7988877, 14134167, 20416019, 23966631, 42402501, 61248057, 183744171, 551232513]

約数ペア:

[(1, 551232513), (3, 183744171), (9, 61248057), (13, 42402501), (23, 23966631), (27, 20416019), (39, 14134167), (69, 7988877), (117, 4711389), (207, 2662959), (299, 1843587), (351, 1570463), (621, 887653), (897, 614529), (2691, 204843), (8073, 68281)]