1321184305

素因数分解:

$5^1\times 7^2\times {\mathrm{421}}^1\times {\mathrm{12809}}^1$

素因数の和:13249

約数の個数: 24

約数和(自身を含む): 1848790440

約数和(自身を除く): 527606135

約数列:

[1, 5, 7, 35, 49, 245, 421, 2105, 2947, 12809, 14735, 20629, 64045, 89663, 103145, 448315, 627641, 3138205, 5392589, 26962945, 37748123, 188740615, 264236861, 1321184305]

約数ペア:

[(1, 1321184305), (5, 264236861), (7, 188740615), (35, 37748123), (49, 26962945), (245, 5392589), (421, 3138205), (2105, 627641), (2947, 448315), (12809, 103145), (14735, 89663), (20629, 64045)]