28920489

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1259}}^1$

素因数の和:1325

約数の個数: 32

約数和(自身を含む): 45158400

約数和(自身を除く): 16237911

約数列:

[1, 3, 13, 19, 31, 39, 57, 93, 247, 403, 589, 741, 1209, 1259, 1767, 3777, 7657, 16367, 22971, 23921, 39029, 49101, 71763, 117087, 310973, 507377, 741551, 932919, 1522131, 2224653, 9640163, 28920489]

約数ペア:

[(1, 28920489), (3, 9640163), (13, 2224653), (19, 1522131), (31, 932919), (39, 741551), (57, 507377), (93, 310973), (247, 117087), (403, 71763), (589, 49101), (741, 39029), (1209, 23921), (1259, 22971), (1767, 16367), (3777, 7657)]