13121325

素因数分解:

$3^3\times 5^2\times 7^1\times {\mathrm{2777}}^1$

素因数の和:2803

約数の個数: 48

約数和(自身を含む): 27557760

約数和(自身を除く): 14436435

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 105, 135, 175, 189, 225, 315, 525, 675, 945, 1575, 2777, 4725, 8331, 13885, 19439, 24993, 41655, 58317, 69425, 74979, 97195, 124965, 174951, 208275, 291585, 374895, 485975, 524853, 624825, 874755, 1457925, 1874475, 2624265, 4373775, 13121325]

約数ペア:

[(1, 13121325), (3, 4373775), (5, 2624265), (7, 1874475), (9, 1457925), (15, 874755), (21, 624825), (25, 524853), (27, 485975), (35, 374895), (45, 291585), (63, 208275), (75, 174951), (105, 124965), (135, 97195), (175, 74979), (189, 69425), (225, 58317), (315, 41655), (525, 24993), (675, 19439), (945, 13885), (1575, 8331), (2777, 4725)]