209675685

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{2719}}^1$

素因数の和:2877

約数の個数: 32

約数和(自身を含む): 345461760

約数和(自身を除く): 135786075

約数列:

[1, 3, 5, 15, 53, 97, 159, 265, 291, 485, 795, 1455, 2719, 5141, 8157, 13595, 15423, 25705, 40785, 77115, 144107, 263743, 432321, 720535, 791229, 1318715, 2161605, 3956145, 13978379, 41935137, 69891895, 209675685]

約数ペア:

[(1, 209675685), (3, 69891895), (5, 41935137), (15, 13978379), (53, 3956145), (97, 2161605), (159, 1318715), (265, 791229), (291, 720535), (485, 432321), (795, 263743), (1455, 144107), (2719, 77115), (5141, 40785), (8157, 25705), (13595, 15423)]