201283131

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{3793}}^1$

素因数の和:3848

約数の個数: 36

約数和(自身を含む): 329577192

約数和(自身を除く): 128294061

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 361, 399, 931, 1083, 2527, 2793, 3793, 7581, 11379, 17689, 26551, 53067, 72067, 79653, 185857, 216201, 504469, 557571, 1369273, 1513407, 3531283, 4107819, 9584911, 10593849, 28754733, 67094377, 201283131]

約数ペア:

[(1, 201283131), (3, 67094377), (7, 28754733), (19, 10593849), (21, 9584911), (49, 4107819), (57, 3531283), (133, 1513407), (147, 1369273), (361, 557571), (399, 504469), (931, 216201), (1083, 185857), (2527, 79653), (2793, 72067), (3793, 53067), (7581, 26551), (11379, 17689)]