289486809

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{19697}}^1$

素因数の和:19797

約数の個数: 24

約数和(自身を含む): 442495872

約数和(自身を除く): 153009063

約数列:

[1, 3, 9, 23, 69, 71, 207, 213, 639, 1633, 4899, 14697, 19697, 59091, 177273, 453031, 1359093, 1398487, 4077279, 4195461, 12586383, 32165201, 96495603, 289486809]

約数ペア:

[(1, 289486809), (3, 96495603), (9, 32165201), (23, 12586383), (69, 4195461), (71, 4077279), (207, 1398487), (213, 1359093), (639, 453031), (1633, 177273), (4899, 59091), (14697, 19697)]