201968445

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{274787}}^1$

素因数の和:274809

約数の個数: 24

約数和(自身を含む): 375909984

約数和(自身を除く): 173941539

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 274787, 824361, 1373935, 1923509, 4121805, 5770527, 9617545, 13464563, 28852635, 40393689, 67322815, 201968445]

約数ペア:

[(1, 201968445), (3, 67322815), (5, 40393689), (7, 28852635), (15, 13464563), (21, 9617545), (35, 5770527), (49, 4121805), (105, 1923509), (147, 1373935), (245, 824361), (735, 274787)]