71380701

素因数分解:

$3^2\times 7^3\times {\mathrm{19}}^1\times {\mathrm{1217}}^1$

素因数の和:1263

約数の個数: 48

約数和(自身を含む): 126672000

約数和(自身を除く): 55291299

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 343, 399, 441, 931, 1029, 1197, 1217, 2793, 3087, 3651, 6517, 8379, 8519, 10953, 19551, 23123, 25557, 58653, 59633, 69369, 76671, 161861, 178899, 208107, 417431, 485583, 536697, 1133027, 1252293, 1456749, 3399081, 3756879, 7931189, 10197243, 23793567, 71380701]

約数ペア:

[(1, 71380701), (3, 23793567), (7, 10197243), (9, 7931189), (19, 3756879), (21, 3399081), (49, 1456749), (57, 1252293), (63, 1133027), (133, 536697), (147, 485583), (171, 417431), (343, 208107), (399, 178899), (441, 161861), (931, 76671), (1029, 69369), (1197, 59633), (1217, 58653), (2793, 25557), (3087, 23123), (3651, 19551), (6517, 10953), (8379, 8519)]