245841405

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{359}}^1\times {\mathrm{643}}^1$

素因数の和:1081

約数の個数: 32

約数和(自身を含む): 400619520

約数和(自身を除く): 154778115

約数列:

[1, 3, 5, 15, 71, 213, 355, 359, 643, 1065, 1077, 1795, 1929, 3215, 5385, 9645, 25489, 45653, 76467, 127445, 136959, 228265, 230837, 382335, 684795, 692511, 1154185, 3462555, 16389427, 49168281, 81947135, 245841405]

約数ペア:

[(1, 245841405), (3, 81947135), (5, 49168281), (15, 16389427), (71, 3462555), (213, 1154185), (355, 692511), (359, 684795), (643, 382335), (1065, 230837), (1077, 228265), (1795, 136959), (1929, 127445), (3215, 76467), (5385, 45653), (9645, 25489)]