81184817

素因数分解:

$7^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{727}}^1$

素因数の和:837

約数の個数: 24

約数和(自身を含む): 98594496

約数和(自身を除く): 17409679

約数列:

[1, 7, 43, 49, 53, 301, 371, 727, 2107, 2279, 2597, 5089, 15953, 31261, 35623, 38531, 111671, 218827, 269717, 1531789, 1656833, 1888019, 11597831, 81184817]

約数ペア:

[(1, 81184817), (7, 11597831), (43, 1888019), (49, 1656833), (53, 1531789), (301, 269717), (371, 218827), (727, 111671), (2107, 38531), (2279, 35623), (2597, 31261), (5089, 15953)]