30871029

素因数分解:

$3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{1579}}^1$

素因数の和:1622

約数の個数: 32

約数和(自身を含む): 50560000

約数和(自身を除く): 19688971

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 343, 399, 931, 1029, 1579, 2793, 4737, 6517, 11053, 19551, 30001, 33159, 77371, 90003, 210007, 232113, 541597, 630021, 1470049, 1624791, 4410147, 10290343, 30871029]

約数ペア:

[(1, 30871029), (3, 10290343), (7, 4410147), (19, 1624791), (21, 1470049), (49, 630021), (57, 541597), (133, 232113), (147, 210007), (343, 90003), (399, 77371), (931, 33159), (1029, 30001), (1579, 19551), (2793, 11053), (4737, 6517)]