4067505

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1$

素因数の和:450

約数の個数: 48

約数和(自身を含む): 8058960

約数和(自身を除く): 3991455

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 85, 117, 153, 195, 221, 255, 409, 585, 663, 765, 1105, 1227, 1989, 2045, 3315, 3681, 5317, 6135, 6953, 9945, 15951, 18405, 20859, 26585, 34765, 47853, 62577, 79755, 90389, 104295, 239265, 271167, 312885, 451945, 813501, 1355835, 4067505]

約数ペア:

[(1, 4067505), (3, 1355835), (5, 813501), (9, 451945), (13, 312885), (15, 271167), (17, 239265), (39, 104295), (45, 90389), (51, 79755), (65, 62577), (85, 47853), (117, 34765), (153, 26585), (195, 20859), (221, 18405), (255, 15951), (409, 9945), (585, 6953), (663, 6135), (765, 5317), (1105, 3681), (1227, 3315), (1989, 2045)]