28809675

素因数分解:

$3^4\times 5^2\times {\mathrm{41}}^1\times {\mathrm{347}}^1$

素因数の和:410

約数の個数: 60

約数和(自身を含む): 54824616

約数和(自身を除く): 26014941

約数列:

[1, 3, 5, 9, 15, 25, 27, 41, 45, 75, 81, 123, 135, 205, 225, 347, 369, 405, 615, 675, 1025, 1041, 1107, 1735, 1845, 2025, 3075, 3123, 3321, 5205, 5535, 8675, 9225, 9369, 14227, 15615, 16605, 26025, 27675, 28107, 42681, 46845, 71135, 78075, 83025, 128043, 140535, 213405, 234225, 355675, 384129, 640215, 702675, 1067025, 1152387, 1920645, 3201075, 5761935, 9603225, 28809675]

約数ペア:

[(1, 28809675), (3, 9603225), (5, 5761935), (9, 3201075), (15, 1920645), (25, 1152387), (27, 1067025), (41, 702675), (45, 640215), (75, 384129), (81, 355675), (123, 234225), (135, 213405), (205, 140535), (225, 128043), (347, 83025), (369, 78075), (405, 71135), (615, 46845), (675, 42681), (1025, 28107), (1041, 27675), (1107, 26025), (1735, 16605), (1845, 15615), (2025, 14227), (3075, 9369), (3123, 9225), (3321, 8675), (5205, 5535)]