199931205

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1\times {\mathrm{1091}}^1$

素因数の和:1761

約数の個数: 32

約数和(自身を含む): 337559040

約数和(自身を除く): 137627835

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 643, 1091, 1929, 3215, 3273, 5455, 9645, 12217, 16365, 20729, 36651, 61085, 62187, 103645, 183255, 310935, 701513, 2104539, 3507565, 10522695, 13328747, 39986241, 66643735, 199931205]

約数ペア:

[(1, 199931205), (3, 66643735), (5, 39986241), (15, 13328747), (19, 10522695), (57, 3507565), (95, 2104539), (285, 701513), (643, 310935), (1091, 183255), (1929, 103645), (3215, 62187), (3273, 61085), (5455, 36651), (9645, 20729), (12217, 16365)]