78892785

素因数分解:

$3^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1487}}^1$

素因数の和:1635

約数の個数: 40

約数和(自身を含む): 142598016

約数和(自身を除く): 63705231

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 131, 135, 393, 405, 655, 1179, 1487, 1965, 3537, 4461, 5895, 7435, 10611, 13383, 17685, 22305, 40149, 53055, 66915, 120447, 194797, 200745, 584391, 602235, 973985, 1753173, 2921955, 5259519, 8765865, 15778557, 26297595, 78892785]

約数ペア:

[(1, 78892785), (3, 26297595), (5, 15778557), (9, 8765865), (15, 5259519), (27, 2921955), (45, 1753173), (81, 973985), (131, 602235), (135, 584391), (393, 200745), (405, 194797), (655, 120447), (1179, 66915), (1487, 53055), (1965, 40149), (3537, 22305), (4461, 17685), (5895, 13383), (7435, 10611)]