28987335

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1$

素因数の和:309

約数の個数: 64

約数和(自身を含む): 56448000

約数和(自身を除く): 27460665

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 83, 117, 135, 195, 199, 249, 351, 415, 585, 597, 747, 995, 1079, 1245, 1755, 1791, 2241, 2587, 2985, 3237, 3735, 5373, 5395, 7761, 8955, 9711, 11205, 12935, 16185, 16517, 23283, 26865, 29133, 38805, 48555, 49551, 69849, 82585, 116415, 145665, 148653, 214721, 247755, 349245, 445959, 644163, 743265, 1073605, 1932489, 2229795, 3220815, 5797467, 9662445, 28987335]

約数ペア:

[(1, 28987335), (3, 9662445), (5, 5797467), (9, 3220815), (13, 2229795), (15, 1932489), (27, 1073605), (39, 743265), (45, 644163), (65, 445959), (83, 349245), (117, 247755), (135, 214721), (195, 148653), (199, 145665), (249, 116415), (351, 82585), (415, 69849), (585, 49551), (597, 48555), (747, 38805), (995, 29133), (1079, 26865), (1245, 23283), (1755, 16517), (1791, 16185), (2241, 12935), (2587, 11205), (2985, 9711), (3237, 8955), (3735, 7761), (5373, 5395)]