31628421

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{977}}^1$

素因数の和:1106

約数の個数: 32

約数和(自身を含む): 51638400

約数和(自身を除く): 20009979

約数列:

[1, 3, 9, 11, 27, 33, 99, 109, 297, 327, 977, 981, 1199, 2931, 2943, 3597, 8793, 10747, 10791, 26379, 32241, 32373, 96723, 106493, 290169, 319479, 958437, 1171423, 2875311, 3514269, 10542807, 31628421]

約数ペア:

[(1, 31628421), (3, 10542807), (9, 3514269), (11, 2875311), (27, 1171423), (33, 958437), (99, 319479), (109, 290169), (297, 106493), (327, 96723), (977, 32373), (981, 32241), (1199, 26379), (2931, 10791), (2943, 10747), (3597, 8793)]