207967749

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1$

素因数の和:338

約数の個数: 64

約数和(自身を含む): 342144000

約数和(自身を除く): 134176251

約数列:

[1, 3, 11, 17, 19, 33, 51, 57, 109, 179, 187, 209, 323, 327, 537, 561, 627, 969, 1199, 1853, 1969, 2071, 3043, 3401, 3553, 3597, 5559, 5907, 6213, 9129, 10203, 10659, 19511, 20383, 22781, 33473, 35207, 37411, 57817, 58533, 61149, 68343, 100419, 105621, 112233, 173451, 214621, 331687, 370709, 387277, 635987, 643863, 995061, 1112127, 1161831, 1907961, 3648557, 4077799, 6302053, 10945671, 12233397, 18906159, 69322583, 207967749]

約数ペア:

[(1, 207967749), (3, 69322583), (11, 18906159), (17, 12233397), (19, 10945671), (33, 6302053), (51, 4077799), (57, 3648557), (109, 1907961), (179, 1161831), (187, 1112127), (209, 995061), (323, 643863), (327, 635987), (537, 387277), (561, 370709), (627, 331687), (969, 214621), (1199, 173451), (1853, 112233), (1969, 105621), (2071, 100419), (3043, 68343), (3401, 61149), (3553, 58533), (3597, 57817), (5559, 37411), (5907, 35207), (6213, 33473), (9129, 22781), (10203, 20383), (10659, 19511)]