28670517

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{443}}^1$

素因数の和:519

約数の個数: 40

約数和(自身を含む): 46417536

約数和(自身を除く): 17747019

約数列:

[1, 3, 9, 17, 27, 47, 51, 81, 141, 153, 423, 443, 459, 799, 1269, 1329, 1377, 2397, 3807, 3987, 7191, 7531, 11961, 20821, 21573, 22593, 35883, 62463, 64719, 67779, 187389, 203337, 353957, 562167, 610011, 1061871, 1686501, 3185613, 9556839, 28670517]

約数ペア:

[(1, 28670517), (3, 9556839), (9, 3185613), (17, 1686501), (27, 1061871), (47, 610011), (51, 562167), (81, 353957), (141, 203337), (153, 187389), (423, 67779), (443, 64719), (459, 62463), (799, 35883), (1269, 22593), (1329, 21573), (1377, 20821), (2397, 11961), (3807, 7531), (3987, 7191)]