1245405

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{409}}^1$

素因数の和:453

約数の個数: 32

約数和(自身を含む): 2361600

約数和(自身を除く): 1116195

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 87, 105, 145, 203, 409, 435, 609, 1015, 1227, 2045, 2863, 3045, 6135, 8589, 11861, 14315, 35583, 42945, 59305, 83027, 177915, 249081, 415135, 1245405]

約数ペア:

[(1, 1245405), (3, 415135), (5, 249081), (7, 177915), (15, 83027), (21, 59305), (29, 42945), (35, 35583), (87, 14315), (105, 11861), (145, 8589), (203, 6135), (409, 3045), (435, 2863), (609, 2045), (1015, 1227)]