78905835

素因数分解:

$3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{12799}}^1$

素因数の和:12947

約数の個数: 24

約数和(自身を含む): 137779200

約数和(自身を除く): 58873365

約数列:

[1, 3, 5, 9, 15, 45, 137, 411, 685, 1233, 2055, 6165, 12799, 38397, 63995, 115191, 191985, 575955, 1753463, 5260389, 8767315, 15781167, 26301945, 78905835]

約数ペア:

[(1, 78905835), (3, 26301945), (5, 15781167), (9, 8767315), (15, 5260389), (45, 1753463), (137, 575955), (411, 191985), (685, 115191), (1233, 63995), (2055, 38397), (6165, 12799)]