30274881

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2579}}^1$

素因数の和:2645

約数の個数: 32

約数和(自身を含む): 50856960

約数和(自身を除く): 20582079

約数列:

[1, 3, 7, 13, 21, 39, 43, 91, 129, 273, 301, 559, 903, 1677, 2579, 3913, 7737, 11739, 18053, 33527, 54159, 100581, 110897, 234689, 332691, 704067, 776279, 1441661, 2328837, 4324983, 10091627, 30274881]

約数ペア:

[(1, 30274881), (3, 10091627), (7, 4324983), (13, 2328837), (21, 1441661), (39, 776279), (43, 704067), (91, 332691), (129, 234689), (273, 110897), (301, 100581), (559, 54159), (903, 33527), (1677, 18053), (2579, 11739), (3913, 7737)]