51678261

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{389}}^1\times {\mathrm{509}}^1$

素因数の和:933

約数の個数: 24

約数和(自身を含む): 77571000

約数和(自身を除く): 25892739

約数列:

[1, 3, 9, 29, 87, 261, 389, 509, 1167, 1527, 3501, 4581, 11281, 14761, 33843, 44283, 101529, 132849, 198001, 594003, 1782009, 5742029, 17226087, 51678261]

約数ペア:

[(1, 51678261), (3, 17226087), (9, 5742029), (29, 1782009), (87, 594003), (261, 198001), (389, 132849), (509, 101529), (1167, 44283), (1527, 33843), (3501, 14761), (4581, 11281)]