251016909

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{1997}}^1$

素因数の和:2317

約数の個数: 32

約数和(自身を含む): 394740864

約数和(自身を除く): 143723955

約数列:

[1, 3, 11, 13, 33, 39, 143, 293, 429, 879, 1997, 3223, 3809, 5991, 9669, 11427, 21967, 25961, 41899, 65901, 77883, 125697, 285571, 585121, 856713, 1755363, 6436331, 7606573, 19308993, 22819719, 83672303, 251016909]

約数ペア:

[(1, 251016909), (3, 83672303), (11, 22819719), (13, 19308993), (33, 7606573), (39, 6436331), (143, 1755363), (293, 856713), (429, 585121), (879, 285571), (1997, 125697), (3223, 77883), (3809, 65901), (5991, 41899), (9669, 25961), (11427, 21967)]