77667915

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20963}}^1$

素因数の和:21003

約数の個数: 32

約数和(自身を含む): 140878080

約数和(自身を除く): 63210165

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 3705, 20963, 62889, 104815, 272519, 314445, 398297, 817557, 1194891, 1362595, 1991485, 4087785, 5177861, 5974455, 15533583, 25889305, 77667915]

約数ペア:

[(1, 77667915), (3, 25889305), (5, 15533583), (13, 5974455), (15, 5177861), (19, 4087785), (39, 1991485), (57, 1362595), (65, 1194891), (95, 817557), (195, 398297), (247, 314445), (285, 272519), (741, 104815), (1235, 62889), (3705, 20963)]