181416957

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{199}}^1$

素因数の和:473

約数の個数: 32

約数和(自身を含む): 256819200

約数和(自身を除く): 75402243

約数列:

[1, 3, 37, 43, 111, 129, 191, 199, 573, 597, 1591, 4773, 7067, 7363, 8213, 8557, 21201, 22089, 24639, 25671, 38009, 114027, 303881, 316609, 911643, 949827, 1406333, 1634387, 4218999, 4903161, 60472319, 181416957]

約数ペア:

[(1, 181416957), (3, 60472319), (37, 4903161), (43, 4218999), (111, 1634387), (129, 1406333), (191, 949827), (199, 911643), (573, 316609), (597, 303881), (1591, 114027), (4773, 38009), (7067, 25671), (7363, 24639), (8213, 22089), (8557, 21201)]