220177551

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1\times {\mathrm{1103}}^1$

素因数の和:1403

約数の個数: 32

約数和(自身を含む): 335757312

約数和(自身を除く): 115579761

約数列:

[1, 3, 11, 23, 33, 69, 253, 263, 759, 789, 1103, 2893, 3309, 6049, 8679, 12133, 18147, 25369, 36399, 66539, 76107, 199617, 279059, 290089, 837177, 870267, 3190979, 6672047, 9572937, 20016141, 73392517, 220177551]

約数ペア:

[(1, 220177551), (3, 73392517), (11, 20016141), (23, 9572937), (33, 6672047), (69, 3190979), (253, 870267), (263, 837177), (759, 290089), (789, 279059), (1103, 199617), (2893, 76107), (3309, 66539), (6049, 36399), (8679, 25369), (12133, 18147)]