128214867

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{263}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 202245120

約数和(自身を除く): 74030253

約数列:

[1, 3, 11, 17, 33, 51, 79, 121, 187, 237, 263, 363, 561, 789, 869, 1343, 2057, 2607, 2893, 4029, 4471, 6171, 8679, 9559, 13413, 14773, 20777, 28677, 31823, 44319, 49181, 62331, 95469, 147543, 162503, 228547, 353209, 487509, 540991, 685641, 1059627, 1622973, 2514017, 3885299, 7542051, 11655897, 42738289, 128214867]

約数ペア:

[(1, 128214867), (3, 42738289), (11, 11655897), (17, 7542051), (33, 3885299), (51, 2514017), (79, 1622973), (121, 1059627), (187, 685641), (237, 540991), (263, 487509), (363, 353209), (561, 228547), (789, 162503), (869, 147543), (1343, 95469), (2057, 62331), (2607, 49181), (2893, 44319), (4029, 31823), (4471, 28677), (6171, 20777), (8679, 14773), (9559, 13413)]