28894203

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 48484800

約数和(自身を除く): 19590597

約数列:

[1, 3, 9, 13, 17, 39, 51, 73, 117, 153, 199, 219, 221, 597, 657, 663, 949, 1241, 1791, 1989, 2587, 2847, 3383, 3723, 7761, 8541, 10149, 11169, 14527, 16133, 23283, 30447, 43581, 43979, 48399, 130743, 131937, 145197, 188851, 246959, 395811, 566553, 740877, 1699659, 2222631, 3210467, 9631401, 28894203]

約数ペア:

[(1, 28894203), (3, 9631401), (9, 3210467), (13, 2222631), (17, 1699659), (39, 740877), (51, 566553), (73, 395811), (117, 246959), (153, 188851), (199, 145197), (219, 131937), (221, 130743), (597, 48399), (657, 43979), (663, 43581), (949, 30447), (1241, 23283), (1791, 16133), (1989, 14527), (2587, 11169), (2847, 10149), (3383, 8541), (3723, 7761)]