245254149

素因数分解:

$3^4\times 7^1\times {\mathrm{149}}^1\times {\mathrm{2903}}^1$

素因数の和:3071

約数の個数: 40

約数和(自身を含む): 421660800

約数和(自身を除く): 176406651

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 149, 189, 447, 567, 1043, 1341, 2903, 3129, 4023, 8709, 9387, 12069, 20321, 26127, 28161, 60963, 78381, 84483, 182889, 235143, 432547, 548667, 1297641, 1646001, 3027829, 3892923, 9083487, 11678769, 27250461, 35036307, 81751383, 245254149]

約数ペア:

[(1, 245254149), (3, 81751383), (7, 35036307), (9, 27250461), (21, 11678769), (27, 9083487), (63, 3892923), (81, 3027829), (149, 1646001), (189, 1297641), (447, 548667), (567, 432547), (1043, 235143), (1341, 182889), (2903, 84483), (3129, 78381), (4023, 60963), (8709, 28161), (9387, 26127), (12069, 20321)]