85872645

素因数分解:

$3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{191}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 152635392

約数和(自身を除く): 66762747

約数列:

[1, 3, 5, 9, 15, 45, 97, 103, 191, 291, 309, 485, 515, 573, 873, 927, 955, 1455, 1545, 1719, 2865, 4365, 4635, 8595, 9991, 18527, 19673, 29973, 49955, 55581, 59019, 89919, 92635, 98365, 149865, 166743, 177057, 277905, 295095, 449595, 833715, 885285, 1908281, 5724843, 9541405, 17174529, 28624215, 85872645]

約数ペア:

[(1, 85872645), (3, 28624215), (5, 17174529), (9, 9541405), (15, 5724843), (45, 1908281), (97, 885285), (103, 833715), (191, 449595), (291, 295095), (309, 277905), (485, 177057), (515, 166743), (573, 149865), (873, 98365), (927, 92635), (955, 89919), (1455, 59019), (1545, 55581), (1719, 49955), (2865, 29973), (4365, 19673), (4635, 18527), (8595, 9991)]