219452835

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{29437}}^1$

素因数の和:29523

約数の個数: 32

約数和(自身を含む): 406950912

約数和(自身を除く): 187498077

約数列:

[1, 3, 5, 7, 15, 21, 35, 71, 105, 213, 355, 497, 1065, 1491, 2485, 7455, 29437, 88311, 147185, 206059, 441555, 618177, 1030295, 2090027, 3090885, 6270081, 10450135, 14630189, 31350405, 43890567, 73150945, 219452835]

約数ペア:

[(1, 219452835), (3, 73150945), (5, 43890567), (7, 31350405), (15, 14630189), (21, 10450135), (35, 6270081), (71, 3090885), (105, 2090027), (213, 1030295), (355, 618177), (497, 441555), (1065, 206059), (1491, 147185), (2485, 88311), (7455, 29437)]