287873997

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{619}}^1$

素因数の和:881

約数の個数: 32

約数和(自身を含む): 416640000

約数和(自身を除く): 128766003

約数列:

[1, 3, 19, 41, 57, 123, 199, 597, 619, 779, 1857, 2337, 3781, 8159, 11343, 11761, 24477, 25379, 35283, 76137, 123181, 155021, 369543, 465063, 482201, 1446603, 2340439, 5050421, 7021317, 15151263, 95957999, 287873997]

約数ペア:

[(1, 287873997), (3, 95957999), (19, 15151263), (41, 7021317), (57, 5050421), (123, 2340439), (199, 1446603), (597, 482201), (619, 465063), (779, 369543), (1857, 155021), (2337, 123181), (3781, 76137), (8159, 35283), (11343, 25379), (11761, 24477)]