28776465

素因数分解:

$3^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1733}}^1$

素因数の和:1791

約数の個数: 40

約数和(自身を含む): 52873128

約数和(自身を除く): 24096663

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 81, 123, 135, 205, 369, 405, 615, 1107, 1733, 1845, 3321, 5199, 5535, 8665, 15597, 16605, 25995, 46791, 71053, 77985, 140373, 213159, 233955, 355265, 639477, 701865, 1065795, 1918431, 3197385, 5755293, 9592155, 28776465]

約数ペア:

[(1, 28776465), (3, 9592155), (5, 5755293), (9, 3197385), (15, 1918431), (27, 1065795), (41, 701865), (45, 639477), (81, 355265), (123, 233955), (135, 213159), (205, 140373), (369, 77985), (405, 71053), (615, 46791), (1107, 25995), (1733, 16605), (1845, 15597), (3321, 8665), (5199, 5535)]