28575867

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1$

素因数の和:423

約数の個数: 32

約数和(自身を含む): 42577920

約数和(自身を除く): 14002053

約数列:

[1, 3, 19, 23, 57, 69, 71, 213, 307, 437, 921, 1311, 1349, 1633, 4047, 4899, 5833, 7061, 17499, 21183, 21797, 31027, 65391, 93081, 134159, 402477, 414143, 501331, 1242429, 1503993, 9525289, 28575867]

約数ペア:

[(1, 28575867), (3, 9525289), (19, 1503993), (23, 1242429), (57, 501331), (69, 414143), (71, 402477), (213, 134159), (307, 93081), (437, 65391), (921, 31027), (1311, 21797), (1349, 21183), (1633, 17499), (4047, 7061), (4899, 5833)]