287108943

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{4201}}^1$

素因数の和:4343

約数の個数: 32

約数和(自身を含む): 443731200

約数和(自身を除く): 156622257

約数列:

[1, 3, 11, 19, 33, 57, 109, 209, 327, 627, 1199, 2071, 3597, 4201, 6213, 12603, 22781, 46211, 68343, 79819, 138633, 239457, 457909, 878009, 1373727, 2634027, 5036999, 8700271, 15110997, 26100813, 95702981, 287108943]

約数ペア:

[(1, 287108943), (3, 95702981), (11, 26100813), (19, 15110997), (33, 8700271), (57, 5036999), (109, 2634027), (209, 1373727), (327, 878009), (627, 457909), (1199, 239457), (2071, 138633), (3597, 79819), (4201, 68343), (6213, 46211), (12603, 22781)]