80648289

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{431}}^1\times {\mathrm{1223}}^1$

素因数の和:1677

約数の個数: 24

約数和(自身を含む): 123731712

約数和(自身を除く): 43083423

約数列:

[1, 3, 9, 17, 51, 153, 431, 1223, 1293, 3669, 3879, 7327, 11007, 20791, 21981, 62373, 65943, 187119, 527113, 1581339, 4744017, 8960921, 26882763, 80648289]

約数ペア:

[(1, 80648289), (3, 26882763), (9, 8960921), (17, 4744017), (51, 1581339), (153, 527113), (431, 187119), (1223, 65943), (1293, 62373), (3669, 21981), (3879, 20791), (7327, 11007)]