81695835

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{389}}^1$

素因数の和:772

約数の個数: 48

約数和(自身を含む): 153316800

約数和(自身を除く): 71620965

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 359, 389, 585, 1077, 1167, 1795, 1945, 3231, 3501, 4667, 5057, 5385, 5835, 14001, 15171, 16155, 17505, 23335, 25285, 42003, 45513, 70005, 75855, 139651, 210015, 227565, 418953, 698255, 1256859, 1815463, 2094765, 5446389, 6284295, 9077315, 16339167, 27231945, 81695835]

約数ペア:

[(1, 81695835), (3, 27231945), (5, 16339167), (9, 9077315), (13, 6284295), (15, 5446389), (39, 2094765), (45, 1815463), (65, 1256859), (117, 698255), (195, 418953), (359, 227565), (389, 210015), (585, 139651), (1077, 75855), (1167, 70005), (1795, 45513), (1945, 42003), (3231, 25285), (3501, 23335), (4667, 17505), (5057, 16155), (5385, 15171), (5835, 14001)]