8120385

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{661}}^1$

素因数の和:695

約数の個数: 64

約数和(自身を含む): 17794560

約数和(自身を除く): 9674175

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 27, 35, 39, 45, 63, 65, 91, 105, 117, 135, 189, 195, 273, 315, 351, 455, 585, 661, 819, 945, 1365, 1755, 1983, 2457, 3305, 4095, 4627, 5949, 8593, 9915, 12285, 13881, 17847, 23135, 25779, 29745, 41643, 42965, 60151, 69405, 77337, 89235, 124929, 128895, 180453, 208215, 232011, 300755, 386685, 541359, 624645, 902265, 1160055, 1624077, 2706795, 8120385]

約数ペア:

[(1, 8120385), (3, 2706795), (5, 1624077), (7, 1160055), (9, 902265), (13, 624645), (15, 541359), (21, 386685), (27, 300755), (35, 232011), (39, 208215), (45, 180453), (63, 128895), (65, 124929), (91, 89235), (105, 77337), (117, 69405), (135, 60151), (189, 42965), (195, 41643), (273, 29745), (315, 25779), (351, 23135), (455, 17847), (585, 13881), (661, 12285), (819, 9915), (945, 8593), (1365, 5949), (1755, 4627), (1983, 4095), (2457, 3305)]