11980857

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{191}}^1$

素因数の和:333

約数の個数: 32

約数和(自身を含む): 19169280

約数和(自身を除く): 7188423

約数列:

[1, 3, 7, 21, 29, 87, 103, 191, 203, 309, 573, 609, 721, 1337, 2163, 2987, 4011, 5539, 8961, 16617, 19673, 20909, 38773, 59019, 62727, 116319, 137711, 413133, 570517, 1711551, 3993619, 11980857]

約数ペア:

[(1, 11980857), (3, 3993619), (7, 1711551), (21, 570517), (29, 413133), (87, 137711), (103, 116319), (191, 62727), (203, 59019), (309, 38773), (573, 20909), (609, 19673), (721, 16617), (1337, 8961), (2163, 5539), (2987, 4011)]