201666213

素因数分解:

$3^3\times 7^2\times {\mathrm{313}}^1\times {\mathrm{487}}^1$

素因数の和:823

約数の個数: 48

約数和(自身を含む): 349368960

約数和(自身を除く): 147702747

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 313, 441, 487, 939, 1323, 1461, 2191, 2817, 3409, 4383, 6573, 8451, 10227, 13149, 15337, 19719, 23863, 30681, 46011, 59157, 71589, 92043, 138033, 152431, 214767, 414099, 457293, 644301, 1067017, 1371879, 3201051, 4115637, 7469119, 9603153, 22407357, 28809459, 67222071, 201666213]

約数ペア:

[(1, 201666213), (3, 67222071), (7, 28809459), (9, 22407357), (21, 9603153), (27, 7469119), (49, 4115637), (63, 3201051), (147, 1371879), (189, 1067017), (313, 644301), (441, 457293), (487, 414099), (939, 214767), (1323, 152431), (1461, 138033), (2191, 92043), (2817, 71589), (3409, 59157), (4383, 46011), (6573, 30681), (8451, 23863), (10227, 19719), (13149, 15337)]