3965871

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1$

素因数の和:295

約数の個数: 32

約数和(自身を含む): 6630400

約数和(自身を除く): 2664529

約数列:

[1, 3, 7, 13, 21, 39, 73, 91, 199, 219, 273, 511, 597, 949, 1393, 1533, 2587, 2847, 4179, 6643, 7761, 14527, 18109, 19929, 43581, 54327, 101689, 188851, 305067, 566553, 1321957, 3965871]

約数ペア:

[(1, 3965871), (3, 1321957), (7, 566553), (13, 305067), (21, 188851), (39, 101689), (73, 54327), (91, 43581), (199, 19929), (219, 18109), (273, 14527), (511, 7761), (597, 6643), (949, 4179), (1393, 2847), (1533, 2587)]