77215905

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6947}}^1$

素因数の和:6990

約数の個数: 48

約数和(自身を含む): 151744320

約数和(自身を除く): 74528415

約数列:

[1, 3, 5, 9, 13, 15, 19, 39, 45, 57, 65, 95, 117, 171, 195, 247, 285, 585, 741, 855, 1235, 2223, 3705, 6947, 11115, 20841, 34735, 62523, 90311, 104205, 131993, 270933, 312615, 395979, 451555, 659965, 812799, 1187937, 1354665, 1715909, 1979895, 4063995, 5147727, 5939685, 8579545, 15443181, 25738635, 77215905]

約数ペア:

[(1, 77215905), (3, 25738635), (5, 15443181), (9, 8579545), (13, 5939685), (15, 5147727), (19, 4063995), (39, 1979895), (45, 1715909), (57, 1354665), (65, 1187937), (95, 812799), (117, 659965), (171, 451555), (195, 395979), (247, 312615), (285, 270933), (585, 131993), (741, 104205), (855, 90311), (1235, 62523), (2223, 34735), (3705, 20841), (6947, 11115)]