1620163839

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{57191}}^1$

素因数の和:57291

約数の個数: 32

約数和(自身を含む): 2635407360

約数和(自身を除く): 1015243521

約数列:

[1, 3, 7, 19, 21, 57, 71, 133, 213, 399, 497, 1349, 1491, 4047, 9443, 28329, 57191, 171573, 400337, 1086629, 1201011, 3259887, 4060561, 7606403, 12181683, 22819209, 28423927, 77150659, 85271781, 231451977, 540054613, 1620163839]

約数ペア:

[(1, 1620163839), (3, 540054613), (7, 231451977), (19, 85271781), (21, 77150659), (57, 28423927), (71, 22819209), (133, 12181683), (213, 7606403), (399, 4060561), (497, 3259887), (1349, 1201011), (1491, 1086629), (4047, 400337), (9443, 171573), (28329, 57191)]