203415149

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{823}}^1$

素因数の和:945

約数の個数: 32

約数和(自身を含む): 258195456

約数和(自身を除く): 54780307

約数列:

[1, 7, 17, 31, 67, 119, 217, 469, 527, 823, 1139, 2077, 3689, 5761, 7973, 13991, 14539, 25513, 35309, 55141, 97937, 178591, 247163, 385987, 433721, 937397, 1709371, 3036047, 6561779, 11965597, 29059307, 203415149]

約数ペア:

[(1, 203415149), (7, 29059307), (17, 11965597), (31, 6561779), (67, 3036047), (119, 1709371), (217, 937397), (469, 433721), (527, 385987), (823, 247163), (1139, 178591), (2077, 97937), (3689, 55141), (5761, 35309), (7973, 25513), (13991, 14539)]