661613886

素因数分解:

$2^1\times 3^3\times {\mathrm{1303}}^1\times {\mathrm{9403}}^1$

素因数の和:10717

約数の個数: 32

約数和(自身を含む): 1471537920

約数和(自身を除く): 809924034

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 1303, 2606, 3909, 7818, 9403, 11727, 18806, 23454, 28209, 35181, 56418, 70362, 84627, 169254, 253881, 507762, 12252109, 24504218, 36756327, 73512654, 110268981, 220537962, 330806943, 661613886]

約数ペア:

[(1, 661613886), (2, 330806943), (3, 220537962), (6, 110268981), (9, 73512654), (18, 36756327), (27, 24504218), (54, 12252109), (1303, 507762), (2606, 253881), (3909, 169254), (7818, 84627), (9403, 70362), (11727, 56418), (18806, 35181), (23454, 28209)]