28247535

素因数分解:

$3^5\times 5^1\times {\mathrm{67}}^1\times {\mathrm{347}}^1$

素因数の和:434

約数の個数: 48

約数和(自身を含む): 51682176

約数和(自身を除く): 23434641

約数列:

[1, 3, 5, 9, 15, 27, 45, 67, 81, 135, 201, 243, 335, 347, 405, 603, 1005, 1041, 1215, 1735, 1809, 3015, 3123, 5205, 5427, 9045, 9369, 15615, 16281, 23249, 27135, 28107, 46845, 69747, 81405, 84321, 116245, 140535, 209241, 348735, 421605, 627723, 1046205, 1883169, 3138615, 5649507, 9415845, 28247535]

約数ペア:

[(1, 28247535), (3, 9415845), (5, 5649507), (9, 3138615), (15, 1883169), (27, 1046205), (45, 627723), (67, 421605), (81, 348735), (135, 209241), (201, 140535), (243, 116245), (335, 84321), (347, 81405), (405, 69747), (603, 46845), (1005, 28107), (1041, 27135), (1215, 23249), (1735, 16281), (1809, 15615), (3015, 9369), (3123, 9045), (5205, 5427)]