387875385

素因数分解:

$3^7\times 5^1\times {\mathrm{79}}^1\times {\mathrm{449}}^1$

素因数の和:554

約数の個数: 64

約数和(自身を含む): 708480000

約数和(自身を除く): 320604615

約数列:

[1, 3, 5, 9, 15, 27, 45, 79, 81, 135, 237, 243, 395, 405, 449, 711, 729, 1185, 1215, 1347, 2133, 2187, 2245, 3555, 3645, 4041, 6399, 6735, 10665, 10935, 12123, 19197, 20205, 31995, 35471, 36369, 57591, 60615, 95985, 106413, 109107, 172773, 177355, 181845, 287955, 319239, 327321, 532065, 545535, 863865, 957717, 981963, 1596195, 1636605, 2873151, 4788585, 4909815, 8619453, 14365755, 25858359, 43097265, 77575077, 129291795, 387875385]

約数ペア:

[(1, 387875385), (3, 129291795), (5, 77575077), (9, 43097265), (15, 25858359), (27, 14365755), (45, 8619453), (79, 4909815), (81, 4788585), (135, 2873151), (237, 1636605), (243, 1596195), (395, 981963), (405, 957717), (449, 863865), (711, 545535), (729, 532065), (1185, 327321), (1215, 319239), (1347, 287955), (2133, 181845), (2187, 177355), (2245, 172773), (3555, 109107), (3645, 106413), (4041, 95985), (6399, 60615), (6735, 57591), (10665, 36369), (10935, 35471), (12123, 31995), (19197, 20205)]