78855255

素因数分解:

$3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:277

約数の個数: 64

約数和(自身を含む): 145566720

約数和(自身を除く): 66711465

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 103, 107, 135, 159, 265, 309, 321, 477, 515, 535, 795, 927, 963, 1431, 1545, 1605, 2385, 2781, 2889, 4635, 4815, 5459, 5671, 7155, 11021, 13905, 14445, 16377, 17013, 27295, 28355, 33063, 49131, 51039, 55105, 81885, 85065, 99189, 147393, 153117, 165315, 245655, 255195, 297567, 495945, 584113, 736965, 765585, 1487835, 1752339, 2920565, 5257017, 8761695, 15771051, 26285085, 78855255]

約数ペア:

[(1, 78855255), (3, 26285085), (5, 15771051), (9, 8761695), (15, 5257017), (27, 2920565), (45, 1752339), (53, 1487835), (103, 765585), (107, 736965), (135, 584113), (159, 495945), (265, 297567), (309, 255195), (321, 245655), (477, 165315), (515, 153117), (535, 147393), (795, 99189), (927, 85065), (963, 81885), (1431, 55105), (1545, 51039), (1605, 49131), (2385, 33063), (2781, 28355), (2889, 27295), (4635, 17013), (4815, 16377), (5459, 14445), (5671, 13905), (7155, 11021)]