856021971

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1\times {\mathrm{7283}}^1$

素因数の和:7515

約数の個数: 32

約数和(自身を含む): 1356572160

約数和(自身を除く): 500550189

約数列:

[1, 3, 7, 21, 29, 87, 193, 203, 579, 609, 1351, 4053, 5597, 7283, 16791, 21849, 39179, 50981, 117537, 152943, 211207, 633621, 1405619, 1478449, 4216857, 4435347, 9839333, 29517999, 40762951, 122288853, 285340657, 856021971]

約数ペア:

[(1, 856021971), (3, 285340657), (7, 122288853), (21, 40762951), (29, 29517999), (87, 9839333), (193, 4435347), (203, 4216857), (579, 1478449), (609, 1405619), (1351, 633621), (4053, 211207), (5597, 152943), (7283, 117537), (16791, 50981), (21849, 39179)]